RichThesaurus
join forces with
join forces with
synonyms
combine with
form an alliance with
unite with
ally with
join up with
be in league with
integrate into
team up with
cooperate with
band together with
affiliate
align with
associate with
latch onto
attach
join to
form a federation with
link up with
make common cause with
sign on with
confederate with
become associated with
associate
make a pact with
federate with
incorporate into
join with
accompany
throw in one's lot with
merge with
coalesce with
align oneself with
amalgamate with
annex to
yoke to
sign up with
enlist
go into league with
form a confederation with
join fortunes with
tag along with
affiliate with
attach to
combine
join forces with
antonyms
disjoin
disunite
divorce
break away from