honor

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun High respect, as that shown for special merit; recognition or esteem.
• noun Great privilege.
• noun Good name; reputation.
• noun A source or cause of credit.
• noun A mark, token, or gesture of respect or distinction, such as a military decoration.
• noun Public acts or ceremonies showing respect.
• noun Special recognition for unusual academic achievement.
• noun A program of advanced study for exceptional students.
• noun Social courtesies offered to guests.
• noun High rank.
• noun Used with His, Her, or Your as a title and form of address for certain officials, such as judges and the mayors of certain cities.
• noun A sense of principled uprightness of character; personal integrity.
• noun A code of integrity, dignity, and pride, chiefly among men, that was maintained in some societies, as in feudal Europe, by force of arms.
• noun A woman's chastity or reputation for chastity.
• noun Sports The right of being first at the tee in golf.
• noun Any of the four or five highest cards, especially the ace, king, queen, jack, and ten of the trump suit, in card games such as bridge or whist.
• noun The points allotted to these cards.
• transitive verb To hold in respect; esteem.
• transitive verb To show respect for.
• transitive verb To confer distinction on.
• transitive verb To bow to (another dancer) in square dancing.
• transitive verb To accept or pay as valid.
• idiom (honor bound) Under an obligation enforced by the personal integrity of the one obliged.
• idiom (on (one's) honor) Under an obligation enforced by the personal integrity of the one obliged.

from The Century Dictionary.

• To hold in honor; regard with honor; treat with deference; respect; revere; when said of the Supreme Being, to reverence; adore; worship.
• To bestow honor upon; do or bring honor to; distinguish honorably or respectfully; favor (with) as an honor: as, to honor one with a title.
• To perform some duty of respect or credit toward: as, to honor an invitation or an introduction; specifically, in com., to accept and pay when due: as, to honor a bill of exchange.
• noun In golf, the right to play off first from the tee.
• noun Respect blended with some degree of reverence; esteem due to worth or exalted merit of any kind; deferential approbation or admiration.
• noun Personal title to high respect or esteem; elevation of character; a controlling sense of what is right, true, and due; probity of feeling and conduct: often applied specifically to loyalty and high courage in men and chastity in women, as virtues of the highest consideration.
• noun A state, condition, circumstance, or character which confers or attracts high consideration and respect; hence, a person of such condition or character; a source or ground of esteem, respect, or consideration, as elevated rank, dignity, conduct, etc.: as, a post of honor; I have not the honor of his acquaintance; he is an honor to his country.
• noun Hence That which attracts respect or admiration; distinction; adornment.
• noun A manifestation or token of esteem; a mark of respect, distinction, or high consideration: as, to do one honor; the honor of knighthood; the honors of war; military honors.
• noun With a possessive personal pronoun, a deferential title of address or denotation formerly used for men of superior condition generally, but now (except as a mark of servility) restricted in England to the holders of certain offices, particularly judges, including those of the county courts, and in the United States to mayors, judges, and magistrates: as, your honor; his honor the judge.
• noun In English law, a seigniory of several manors held under one baron or lord paramount.
• noun In whist, one of the four highest trump-cards. See whist.
• noun plural Civilities paid; hospitalities or courtesies rendered, as at an entertainment.
• noun Special rank or distinction conferred by a university, college, or school upon a student for eminence in scholarship or success in some particular subject: usually in the plural.
• noun In several European armies, a court composed of officers authorized to inquire into and punish all breaches of the principles of honor on the part of officers.
• noun Under the code or laws of honor, the obligation to demand or grant satisfaction for a wrong or an insult, especially by means of a duel.
• noun To gain respect for by honorable or laudable action; do something that brings honor or credit to: as, to do honor to one's self, or to one's profession or country.
• noun Synonyms Fame, Renown, etc. (see glory, n.); repute, consideration, esteem, credit, respect, homage, civility, deference, high-mindedness, nobleness.
• noun Integrity, Probity, etc.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To regard or treat with honor, esteem, or respect; to revere; to treat with deference and submission; when used of the Supreme Being, to reverence; to adore; to worship.
• transitive verb To dignify; to raise to distinction or notice; to bestow honor upon; to elevate in rank or station; to ennoble; to exalt; to glorify; hence, to do something to honor; to treat in a complimentary manner or with civility.