cave in to

crouch grovel

abase blandish bow cajole cotton court cower crawl creep cringe debase defer flatter invite jolly kneel kowtow massage oil pander scrape slaver snow stoop stroke submit toady truckle woo yield

apple-polish be at beck and call be obsequious be servile brown-nose buddy up butter up cater to curry favor fall all over fall on one's knees honey up lay it on lick boots make up to pay court play up to

fight ignore reject