σκεπτέον (skepteon)
σκεπτέον is an Ancient Greek form of σκεπτέος, meaning “(one) must examine”. It is the nominative singular neuter adjective.
Found 175 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.72.1: … σομένους ὧν αἱ πόλεις ἐνεκάλουν,δηλῶσαι δὲ περὶ τοῦ παντὸς ὡς οὐ ταχέως αὐτοῖς βουλευτέον εἴη, ἀλλ’ ἐν πλέονι σκεπτέον. καὶ ἅμα τὴν σφετέραν πόλιν ἐβούλοντο σημῆναι ὅση εἴη δύναμιν, καὶ ὑπόμνησιν ποιήσασθαι τοῖς τε πρεσβυτέροις …
All forms of σκεπτέος (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.