set out Copy link • set out: prŏfĭciscor, fectus, 3: he s. out from my house on the Ides, ille Idibus a me profectus est, Cic. Att. 9, 9, 4, init.: he hastens to s. out from the city, maturat ab urbe p., Caes. B. G. 1, 7, init.: v. to depart.