accept assume attack attempt buckle to come out dive into embark in embark on embark upon endeavor engage in enter enter on fall into fall to get busy get cracking get going get under way get with it go about go at go in for go into go to it go upon have at hop to it jump to it launch forth launch into lay about light into move into pitch in pitch into plunge into proceed to sail into set about set at set forward set going set to set to work start in tackle take on take up turn to undertake venture upon wade into