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,
socialise,
socialize,
connect,
get in touch,
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.