incoactus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

in-cŏactus, a, um, adj.,

not compelled , voluntary (post-Aug. and rare): omne honestum injussum incoactumque est, Sen. Ep. 66 med. (false read. for incohata, Val. Max. 4, 7).