συνέσει (synesei)
συνέσει is an Ancient Greek form of σύνεσις, meaning “understanding, intelligence”. It is the dative singular feminine noun.
Found 81 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Alcibiades 21.2: … άλιστα τῶν τὴν αὐτὴν αἰτίαν ἐχόντων ἐν τῷ δεσμωτηρίῳ γενέσθαι συνήθη καὶ φίλον ἔνδοξον μὲν οὐχ ὁμοίως ἐκείνῳ, συνέσει δὲ καὶ τόλμῃ περιττόν, ὄνομα Τίμαιον.
All forms of σύνεσις (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.