πειςτέον

πείθω

A. one must persuade, Pl. R. 421c.
II. (Pass.) one must obey, S. OT 1516, E. Hipp. 1182, Pl. Ap. 19a.
2. one must believe, Id. R. 365e, Ph. 1.135, Agath. 2.25.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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