surrender in WordNet English dictionary

1. the act of surrendering (usually under agreed conditions)
   "they were protected until the capitulation of the fort"
   capitulation  fall  surrender 
   
2. a verbal act of admitting defeat
   giving up  yielding  surrender 
   
3. acceptance of despair
   resignation  surrender 
   
4. the delivery of a principal into lawful custody
   surrender 
   

1. relinquish possession or control over
   "The squatters had to surrender the building after the police moved in"
   surrender  cede  deliver  give up 
   
2. give up or agree to forgo to the power or possession of another
   "The last Taleban fighters finally surrendered"
   surrender  give up