συναίνεσις
From LSJ
ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → a man who is incapable of entering into partnership, or who is so self-sufficing that he has no need to do so, is no part of a state, so that he must be either a lower animal or a god | whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
εως, ἡ,
A approval, consent, assent, Ph.1.382, al., Plu. 2.258b; τοῦ βουλευτηρίου POxy.2110.8 (iv A.D.), cf. 506.54 (ii A.D.), etc.
German (Pape)
[Seite 997] ἡ, Zustimmung, Sp., wie Plut.
French (Bailly abrégé)
εως (ἡ) :
assentiment.
Étymologie: συναινέω.
Russian (Dvoretsky)
συναίνεσις: v. l. συναίνησις, εως ἡ одобрение, согласие Plut.