Synonyms to fall on

alight upon, blunder upon, bump into, chance upon, come across, come among, come down on, come on, come up against, come upon, confront, descend upon, discover serendipitously, drop on, encounter, fall across, fall among, fall foul of, fall in with, fall upon, happen upon, hit upon, light upon, meet, meet head-on, meet up with, meet with, pitch upon, run across, run into, run smack into, run up against, run upon, settle on, strike upon, stumble on, stumble upon, tumble on, ambush, ambuscade, ambushment, assail, assault, astonish, attack, blind, blitz, booby trap, bushwhack, catch off-guard, catch unawares, come at, come from behind, come upon unexpectedly, cover, crack down on, descend on, do the unexpected, drop in on, ensnare, entrap, gang up on, go at, go for, harry, have at, hideout, hit, hit like lightning, intercept, jump, land on, lay at, lay for, lay hands on, lay into, lay wait for, lie in ambush, lie in wait, light into, lure, lurk, lurking hole, mug, pitch into, pounce upon, pound, pull up short, retreat, sail into, set on, set upon, sha