dive into (?.)
- attack
- begin
- blast away
- blast off
- commence
- dive in
- enter on
- enter upon
- fall to
- get busy
- get cracking
- get going
- get to
- get with it
- go ahead
- go off half-cocked
- go to it
- head into
- hop to it
- jump off
- jump to it
- kick off
- launch into
- light into
- pitch in
- pitch into
- plunge
- plunge headlong
- plunge into
- rush into
- sail into
- send off
- set about
- set at
- set in
- set out
- set sail
- set to
- set to work
- start
- start in
- start off
- start out
- tackle
- take off
- take on
- turn to
- undertake
- wade into