Lewis & Short

con-dĕcet, ēre, v. impers., it becomes or it is becoming, meet, seemly (ante-class.): capies quod te condecet, Plaut. Am. 2, 2, 90: haud Atticam disciplinam, id. Cas. 3, 5, 24: in se capessere, id. Aul. 4, 1, 4: magis meretricem pudorem quam aurum gerere, id. Poen. 1, 2, 92; id. Truc. 2, 1, 16; Turp. ap. Non. p. 277, 9 (Com. Rel. v. 127 Rib.): cibaria me comesse condecet solum, Pomp. ap. Charis. I. p. 101 P. (Com. Rel. v. 72 ib.)
Hence, condĕcens, entis, P. a., becoming, seemly, fit (late Lat.); comp.: habitus, Aus. Grat. Act. 27.