Use 'capitulate' when referring to the end of a struggle or battle, especially wars or fights. The general refused to capitulate even when surrounded.
Pro Tip 2/3
Emotional Weight
'Capitulate' carries a sense of giving in after a period of resistance and often implies a loss of dignity. Despite their efforts, the negotiation team had to capitulate.
Pro Tip 3/3
Not Always Voluntary
'Capitulate' may suggest that the surrender was not by choice, but due to being overpowered. Cornered by the evidence, the accused had to capitulate.