Other hyponyms of interact include
collude,
conspire,
communicate,
intercommunicate,
reach out,
condescend,
patronise,
patronize,
communicate,
control,
keep in line,
manipulate,
transact,
marginalise,
marginalize,
combine,
have,
invite,
pay for,
socialise,
socialize,
connect,
touch base,
assemble,
foregather,
forgather,
gather,
meet,
relate,
do by,
handle,
treat,
fall all over,
interfere,
interpose,
intervene,
step in,
affiliate,
associate,
assort,
consort,
philander,
womanise,
womanize.