fix

(transitive, obsolete) To pierce; now generally replaced by transfix.

(transitive, by extension) (Of a piercing look) to direct at someone.

(transitive, figuratively, usually in the passive) To focus or determine (oneself, on a concept); to fixate.

(transitive, chess) To prevent enemy pawns from advancing by directly opposing the most advanced one with one of one's own pawns so as to threaten to capture any advancing backward pawns.

(transitive) To mend, to repair.

(transitive, informal) To prepare (food or drink).

(transitive) To make (a contest, vote, or gamble) unfair; to privilege one contestant or a particular group of contestants, usually before the contest begins; to arrange immunity for defendants by tampering with the justice system via bribery or extortion.

(transitive, US, informal) To surgically render an animal, especially a pet, infertile.

(transitive, mathematics, semantics) To map a (point or subset) to itself.

(transitive, informal) To take revenge on, to best; to serve justice on an assumed miscreant.

(transitive) To render (a photographic impression) permanent by treating with such applications as will make it insensitive to the action of light.

(transitive, chemistry, biology) To convert into a stable or available form.

(intransitive) To become fixed; to settle or remain permanently; to cease from wandering; to rest.

(intransitive) To become firm, so as to resist volatilization; to cease to flow or be fluid; to congeal; to become hard and malleable, as a metallic substance.