capitoulate
/kæp.ɪˈtʊ.leɪt/Definitions
1. verb
to surrender or give in, especially after a long struggle or resistance; to admit defeat or yield to a more powerful force
“The city eventually capitulated to the invaders after months of siege.”
2. noun
the act of surrendering or giving in
“The general’s capitulation to the enemy was a major blow to the troops’ morale.”