undertake

Synonyms: address oneself agree answer for bargain begin commence commit commit oneself contract covenant devote embark endeavor enter upon fall into go about go for go in for go into guarantee have a hand in have a try hazard initiate launch make a run at move offer pitch in pledge promise set about set in motion set out shoulder stake stipulate tackle take on take the plunge take upon oneself try try out venture volunteer

Antonyms: abstain forego forget