scoff1
verb
she told Jack it was a bad omen, but he scoffed at her superstitions:
mock, deride, ridicule, sneer at, be scornful about, treat contemptuously, jeer at, jibe at, make fun of, poke fun at, laugh at, scorn, laugh to scorn, dismiss, pooh-pooh, make light of, belittle;
taunt, tease, make a fool of, rag;
informal thumb one's nose at, take the mickey out of;
Australian, New Zealand, informal poke mullock at;
British, vulgar slang take the piss out of;
dated make sport of;
rare fleer at, bite one's thumb at, scout at.
scoff (1) Oxford Dictionary of English