beg for mercy

beseech fawn

beg blandish bootlick brown-nose court cower crawl creep cringe crouch flatter humor implore kneel kowtow pamper prostrate revere snivel soft-soap stoop truckle wheedle

apple-polish bow and scrape butter up cater to eat crow eat dirt eat humble pie fall all over humble oneself kiss one's feet make much of make up to play up to suck up to

ignore

boast