capture has 18 distinct synonyms spread across 6 of its 11 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
bring about the capture of an elementary particle or celestial body and causing it enter a new orbit
“This nucleus has captured the slow-moving neutrons”
take possession of by force, as after an invasion
“the invaders seized the land and property of the inhabitants”
the act of forcibly dispossessing an owner of property
Synonyms, antonyms and the broader and narrower relations for capture come from Princeton University’s WordNet. Full sources and licences.
a process whereby a star or planet holds an object in its gravitational field
any process in which an atomic or nuclear system acquires an additional particle
the act of taking of a person by force
the removal of an opponent's piece from the chess board