fix

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

• intransitive verb To correct or set right; adjust.
• intransitive verb To restore to proper condition or working order; repair.
• intransitive verb To make ready for a specific purpose, as by altering or combining elements; prepare.
• intransitive verb To spay or castrate (an animal).
• intransitive verb To influence the outcome or actions of (something) by improper or unlawful means.
• intransitive verb Informal To take revenge upon (someone); get even with.
• intransitive verb To place securely; make stable or firm: synonym: fasten.
• intransitive verb To secure to another; attach.
• intransitive verb To put into a stable or unalterable form.
• intransitive verb To make (a chemical substance) nonvolatile or solid.
• intransitive verb Biology To convert (nitrogen or carbon) into stable, biologically assimilable compounds.
• intransitive verb To kill and preserve (a specimen) intact for microscopic study.
• intransitive verb To prevent discoloration of (a photographic image) by washing or coating with a chemical preservative.
• intransitive verb To direct steadily.
• intransitive verb To capture or hold.
• intransitive verb To set or place definitely; establish.
• intransitive verb To determine with accuracy; ascertain.
• intransitive verb To agree on; arrange.
• intransitive verb To assign; attribute.
• intransitive verb Computers To convert (data) from floating-point notation to fixed-point notation.
• intransitive verb To direct one's efforts or attention; concentrate.
• intransitive verb To become stable or firm; harden.
• intransitive verb Chiefly Southern US To be on the verge of; to be making preparations for. Used in progressive tenses with the infinitive.
• noun The act of adjusting, correcting, or repairing.
• noun Informal Something that repairs or restores; a solution.
• noun The position, as of a ship or aircraft, determined by visual observations with the aid of equipment.
• noun A clear determination or understanding.
• noun An instance of arranging a special consideration, such as an exemption from a requirement, or an improper or illegal outcome, especially by means of bribery.
• noun A difficult or embarrassing situation; a predicament: synonym: predicament.
• noun Slang An amount or dose of something craved, especially an intravenous injection of a narcotic.
• idiom (fix (someone's) wagon) To get revenge on another.

from The Century Dictionary.

• Fixed; established; steadfast.
• Solidified.
• noun A critical condition; a predicament; a difficulty; a dilemma.
• noun In naut. surv., the operation of determining (‘fixing’) the position of an unknown point by the three-point problem, which involves the measurement, at the point, of the two angles between lines running to three known visible points.
• To fasten; make fast by some material means: attach or confine firmly or securely: also used figuratively of immaterial things.
• Figuratively, to direct intently or persistently, so as to be as it were fastened to its object: as, to fix the mind on a subject; to fix the eyes or the attention.
• To hold firmly; restrain from wandering or wavering; arrest: as, to fix one with the eyes; to fix the attention of an audience; to fix inconstant affections.
• To establish; give permanence or a permanent character to; make permanent; confirm.
• To establish in position or in a situation; settle or place stably; plant firmly: as, to fix a lance in rest; the fixed stars (see fixed, 2).
• To make stable in consistence or condition; reduce from fluidity or volatility to a more permanent state; make less volatile or fugitive: as, cold fixes water in the form of ice; to fix colors by a mordant.