κρατήσειν (kratesein)
κρατήσειν is an Ancient Greek form of κρατέω, meaning “rule, be master of, prevail”. It is the future active infinitive.
Found 87 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.3.2: πράσσοντες δέ πως ταῦτα κατενόησαν οὐ πολλοὺς τοὺς Θηβαίους ὄντας καὶ ἐνόμισαν ἐπιθέμενοι ῥᾳδίως κρατήσειν· τῷ γὰρ πλήθει τῶν Πλαταιῶν οὐ βουλομένῳ ἦν τῶν Ἀθηναίων ἀφίστασθαι.
All forms of κρατέω (conjugation 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.