πείθω
I. Act. "to prevail upon, win over, persuade", τινά Hom., etc.:—c. acc. pers. et inf. "to persuade" one "to" do, Il., etc.; also, π. τινὰ ὥστε δοῦναι, etc., Hdt.; π. τινα ὡς χρή Plat.; π. τινὰ εἴς τι Thuc.; in part., πείσας "by persuasion, by fair means", Soph.
II. Special usages:
1. "to talk over, mislead", ἔληθε δόλωι καὶ ἔπεισεν Ἀχαιούς Od.
2. "to prevail on by entreaty", Hom.
3. π. τινὰ χρήμασι "to bribe", Hdt.; so, π. ἐπὶ μισθῶι or μισθῶι id=Hdt., Thuc.: so, πείθειν τινά alone, Xen., NTest.
4. c. dupl. acc., πείθειν τινά τι "to persuade" one of a thing, Hdt., Aesch., etc.
B. Pass. and Mid. "to be prevailed on, won over, persuaded", absol., Hom., attic; the imperat. πείθου or πιθοῦ "listen, comply", Trag.; c. inf. "to be persuaded" to do, Soph.; also, πείθεσθαι ὥστε.. Thuc.
2. πείθεσθαί τινι "to listen to" one, "obey" him, Hom., etc.; νῦν μὲν πειθώμεθα νυκτὶ μελαίνηι, of leaving off the labours of the day, Il.; —πάντα πείθεσθαί τινι "to" obey him in all things, Od., etc.
3. πείθεσθαί τινι, also, "to believe or trust in" a person or thing, Hom., etc.: —c. acc. et inf. "to believe that", Od., etc.: with an adj. neut., π. τὰ περὶ Αἴγυπτον Hdt.; ταῦτ᾽ ἐγώ σοι οὐ πείθομαι "I do" not "take" this "on your word", Plat.
II. perf. 2 πέποιθα, like the Pass., "to trust, rely on, have confidence in" a person or thing, Hom., etc.; c. inf., πέποιθα τοῦτ᾽ ἐπισπάσειν κλέος "I trust" to win this fame, Soph.; πέποιθα τὸν πυρφόρον ἥξειν Aesch.;— πεπ. εἴς τινα, ἐπί τινα NTest.
III. perf. pass. πέπεισμαι "to believe, trust", c. dat., Aesch., Eur.: c. acc. et inf., πεπ. ταῦτα συνοίσειν Dem.