φατέον

φᾰτέον, (φημί)

• one must say, Pl. Lg. 864a, Sph. 237e, Plb. 2.21.8; one must call, εὐγενεῖς Jul. Or. 2.83b: abs., one must say ‘yes’, assent, Pl. Phlb. 40b, etc.