(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, 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.
(chemistry) 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.