get in on the act
join in
step in
get into
draw in
tangle with
throw oneself into
take
partake
subserve
go into
come into play
make
do
set about
participate
enter
enter the lists
engage
have a finger in
pursue
prosecute
mingle
opt in
get at
get in with
make do
paint the wagon
foray
sink one's teeth into
want in
take part
import
have a hand in
put one's hand to the plough
adjoin
enter the picture
cuff
induct
go to the trouble
effort
have at
set up
stimulate
get cracking
immerse
have one's fingers in many pies
come into
work
get one's act together