noun
capturing, seizing, taking, seizure, acquisition, acquirement, obtaining, securing, gaining, winning, occupation, appropriation, ensnaring, abduction, laying hold of, grasping, catching, trapping, commandeering, apprehending, annexation, snatching, confiscation, arrest, taking into custody, taking into captivity, apprehension, fall, corralling, nabbing*, nailing*; see also arrest 1, recovery 3.
Antonyms liberation, freeing*, setting free.