acknowledge agree defer surrender abide accede acquiesce appease bend bow buckle capitulate cave cede concede fold humor indulge knuckle kowtow obey quit relent relinquish stoop succumb tolerate truckle withstand yield be submissive eat crow give away give ground give in give way go with the flow grin and bear it knuckle under lay down arms put up with resign oneself say uncle throw in the towel toe the line