just

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

• adjective Honorable and fair in one's dealings and actions: synonym: fair.
• adjective Consistent with what is morally right; righteous.
• adjective Properly due or merited.
• adjective Law Valid within the law; lawful.
• adjective Suitable or proper in nature; fitting.
• adjective Based on fact or sound reason; well-founded.
• adverb Precisely; exactly.
• adverb Only a moment ago.
• adverb By a narrow margin; barely.
• adverb At a little distance.
• adverb Merely; only.
• adverb Simply; certainly.
• adverb Perhaps; possibly.
• idiom (just about) Almost; very nearly.
• idiom (just now) Only a moment ago.

from The Century Dictionary.

• noun A military contest or spectacle in which two adversaries attacked each other with blunted lances, rarely with sharp weapons as in war; a knightly tilt.
• Exactly, in space, time, kind, or degree; precisely; without interval, deviation, or variation; absolutely: as, just five miles; just noon; just so; just as I thought.
• Within a little; with very little but a sufficient difference; nearly; almost exactly; as, I stood just by him; I saw him just now.
• Merely; barely; by or with a narrow margin: as, you just missed the mark; he is just a little displeased.
• But now; very lately; within a brief past time.
• Quite: in intensive use: as, just awful.
• Directly; immediately; without delay: as, I will attend to it just now.
• Right in law or ethics
• Right in character or quality
• Strictly accurate; exact; precise; proper.
• Agreeable to the common standard; full; complete.
• Right-minded; good in intention
• Carefully mindful; faithful; followed by to, and formerly also by of: as, to be just to one's engagements.
• In music, harmonically pure, correct, and exact; in perfect tune: as, just interval, intonation, temperament: opposed in general to impure and incorrect, and specifically to tempered.
• noun A pot or jug, made of earthenware or metal, with large body and straight neck, for holding liquids.
• To engage in a tournament or just; tilt.
• noun An abbreviation of Justice;
• noun of Justinian.

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

• noun A joust.
• adverb Precisely; exactly; -- in place, time, or degree; neither more nor less than is stated.
• adverb Closely; nearly; almost.
• adverb Barely; merely; scarcely; only; by a very small space or time
• adverb the least possible time since; a moment ago.
• adjective Conforming or conformable to rectitude or justice; not doing wrong to any; violating no right or obligation; upright; righteous; honest; true; -- said both of persons and things.
• adjective Not transgressing the requirement of truth and propriety; conformed to the truth of things, to reason, or to a proper standard; exact; normal; reasonable; regular; due
• adjective Rendering or disposed to render to each one his due; equitable; fair; impartial.
• adjective (Mus.) The giving all chords and intervals in their purity or their exact mathematical ratio, or without temperament; a process in which the number of notes and intervals required in the various keys is much greater than the twelve to the octave used in systems of temperament.
• intransitive verb To joust.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Factually fair; correct; proper.
• adjective Morally fair; upright; righteous, equitable.
• adverb Only, simply, merely.
• adverb Used to reduce the force of an imperative; simply.
• adverb speech act Used to convey a less serious or formal tone
• adverb speech act Used to show humility.