Yes, capture is a Scrabble word!

Verb

1. Succeed in representing or expressing something intangible

2. Attract; cause to be enamored

3. Succeed in catching or seizing, especially after a chase

4. Bring about the capture of an elementary particle or celestial body and causing it enter a new orbit

5. Take possession of by force, as after an invasion

6. Capture as if by hunting, snaring, or trapping

Noun

1. The act of forcibly dispossessing an owner of property

2. A process whereby a star or planet holds an object in its gravitational field

3. Any process in which an atomic or nuclear system acquires an additional particle

4. The act of taking of a person by force

5. The removal of an opponent's piece from the chess board