Main entry: undertake, contract
Definition: enter into a contractual arrangement
Main entry: undertake, guarantee
Definition: promise to do or accomplish
Usage: guarantee to free the prisoners
Main entry: undertake, set about, attempt
Definition: enter upon an activity or enterprise
Main entry: take in charge, undertake
Definition: accept as a charge
Main entry: tackle, take on, undertake
Definition: accept as a challenge
Usage: I'll tackle this difficult task