relinquish

part with a possession or right; "I am relinquishing my bedroom to the long-term house guest"; "resign a claim to the throne"

do without or cease to hold or adhere to; "We are dispensing with formalities"; "relinquish the old ideas"

turn away from; give up; "I am foreswearing women forever"

release, as from one's grip; "Let go of the door handle, please!"; "relinquish your grip on the rope--you won't fall"