have at

76 Moby Thesaurus words for "have at":
      accept, ambush, assail, assault, assume, attack, attempt, blitz,
      buckle to, bushwhack, come at, come down on, crack down on,
      descend on, descend upon, draw first blood, embark in, embark upon,
      endeavor, engage in, enter on, enter upon, fall into, fall on,
      fall to, fall upon, gang up on, get under way, go about, go at,
      go for, go in for, go into, go upon, harry, hit,
      hit like lightning, jump, land on, launch forth, launch into,
      lay about, lay about one, lay at, lay hands on, lay into, lay on,
      light into, make war on, move into, mug, pitch into, plunge into,
      pounce upon, pound, proceed to, sail into, set about, set at,
      set forward, set going, set on, set to, set upon, square up,
      strike, surprise, swoop down on, tackle, take on,
      take the offensive, take up, turn to, undertake, venture upon,
      wade into