κατανο-έω,
observe well, understand, apprehend, [[ ὡς ἐμὲ κατανοέειν 5th c.BC: Herodotus Historicus 2.28, compare 93; οὐ Χαλεπὸν τῷ βουλομένῳ κ. 5th c.BC: Lysias Orator 25.34; οὐ.. κατανοῶ τὸ νῦν ἐρωτώμενον Plato Philosophus [{5-6th c.BC}] “Sophista” 233a; κ. ὅ τι λέγω [prev\. author] “Grg.” 455b; οὐ πάνυ κατανοῶ [prev\. author] “Phlb.” 48a; κ. ὅτι.. [prev\. author] “Sph.” 264b ] Refs 6th c.BC+]; κατανοεῖς τίς ποτ᾽ ἐστίν..; [[ 4th c.BC: Antiphanes Comicus 33.1; ἐκεῖνο, ὅτι.. Epicurus Philosophus [{4-3rd c.BC}] “Epistulae” 1p.30U.; ἐκ τίνων.. καὶ πότε.. καὶ πῶς.. 2nd c.BC: Polybius Historicus 1.12.9 ] Refs 4th c.BC+]:—passive, of a doctrine, to be grasped and hence accepted, μᾶλλον μᾶλλον κ. [[ 4th-3rd c.BC: Epicurus Philosophus “Nat.” 138G.; εἰς καρδίαν -εῖται] Refs 4th c.BC+] is understood of.., [[ 4th c.AD: Hephaestio Astrologus 1.1. ] Refs 4th c.AD+]
__2 perceive, τῷ κατανοουμένῳ τὸ κατανοοῦν ἐξομοιῶσαι the percipient to the perceived, [[ 5th-6th c.BC: Plato Philosophus “Ti.” 90d ] Refs 5th c.BC+], etc.: with participle, κ. οὐ πολλοὺς ὄντας [[ 5th c.BC: Thucydides Historicus 2.3. ] Refs 5th c.BC+]
__3 learn, [[ τῆς Περσίδος γλώσσης ὅσα ἐδύνατο κατενόησε [prev\. author] 1.138 ] Refs].
__4 consider, [[ περί τινος Xenophon Historicus [{5-6th c.BC}] “Institutio Cyri (Cyropaedia)” 1.6.20 ] Refs 6th c.BC+].
__5 look at, view, [[ τὴν οἰκίαν 2nd c.AD: Athenaeus Epigrammaticus 5.179a ] Refs 2nd c.AD+].