Lexical Definition

‎κατανοέω‎ katanoéō (kat-an-o-eh'-o) to observe G:V
from ‎κατά‎ and ‎νοιέω‎

behold, consider, discover, perceive.

Usage: 20 forms in 38 verses
Form Translated As     In Verse(s)
κατενόουν I contemplated LXX.Ps.142.4
I was observing Acts.11.6
they were noticing Acts.27.39
κατενόησεν he considered Rom.4.19
he has viewed Jas.1.24
κατενόησε he contemplated LXX.Isa.59.16
κατενόησαν contemplated LXX.Ps.22.17
studied LXX.Num.32.9
κατενόησα I contemplated LXX.1Kgs.3.21LXX.Hab.3.2
κατενοόυσαν they contemplated LXX.Exod.33.8
κατενοήσάν contemplated LXX.Job.30.20
κατανοῶμεν we may think Heb.10.24
κατανοῆσαι to behold Acts.7.31
to look Acts.7.32
κατανοών studying LXX.Neh.2.13LXX.Neh.2.15
κατανοοῦντι looking Jas.1.23
κατανοούσι contemplate LXX.Isa.5.12
κατανοεῖσ notice Matt.7.3Luke.6.41
κατανοείσ contemplate LXX.Ps.10.14
κατανοεί contemplate LXX.Ps.94.9
contemplates LXX.Ps.37.32LXX.Isa.57.1
κατανοήσω I shall contemplate LXX.Job.23.15LXX.Ps.119.15LXX.Ps.119.18
κατανοήσεισ you shall contemplate LXX.Ps.91.8
κατανοήσατε do carefully consider Heb.3.1
do consider Luke.12.24Luke.12.27
κατανοήσασ And contemplating LXX.Exod.2.11
having perceived Luke.20.23
κατανοήσαι for contemplating LXX.Gen.3.6
to contemplate LXX.Exod.19.21
to study LXX.Gen.42.9LXX.Num.32.8

Abbott-Smith

κατα-νοέω, -ῶ, [in LXX for נבט hi., ראה, etc.;]
to take note of, perceive, consider carefully: Ac 7:31, 32; c. acc. rei, Mt 7:3, Lk 6:41 12:24, 27 20:23, Ac 11:6 27:39, Ro 4:19; c. acc. pers., He 3:1 10:24, Ja 1:23, 24 (on the distinction bet. κ. and νοέω simplex, v. M, Pr., 117).†

Abbott-Smith References

Book Refs
Matthew 7:3
Luke 6:41 · 12:24 · 12:27 · 20:23
Acts 7:31 · 7:32 · 11:6 · 27:39
Romans 4:19
Hebrews 3:1 · 10:24
James 1:23 · 1:24

Liddell-Scott-Jones

κατανοέω-έω,

observe well, understand, apprehend, [κατανοέωέειν 5th c.BC: Herodotus Historicus 2.28, compare 93; οὐ Χαλεπὸν τῷ βουλομένῳ κ. 5th c.BC: Lysias Orator 25.34; οὐ.. κατανοέωῶ τὸ νῦν ἐρωτώμενον Plato Philosophus [{5-6th c.BC}] “Sophista” 233a; κ. ὅ τι λέγω [prev\. author] “Grg.” 455b; οὐ πάνυ κατανοέωῶ [prev\. author] “Phlb.” 48a; κ. ὅτι.. [prev\. author] “Sph.” 264b ">Refs 6th c.BC+]; κατανοέωεῖς τίς ποτ᾽ ἐστίν..; [Refs 4th c.BC+]:—passive, of a doctrine, to be grasped and hence accepted, μᾶλλον μᾶλλον κ. [Refs 4th c.BC+] is understood of.., [Refs 4th c.AD+]

__2 perceive, τῷ κατανοέωουμένῳ τὸ κατανοέωοῦν ἐξομοιῶσαι the percipient to the perceived, [Refs 5th c.BC+], etc.: with participle, κ. οὐ πολλοὺς ὄντας [Refs 5th c.BC+]
__3 learn, [Refs].
__4 consider, [Refs 6th c.BC+].
__5 look at, view, [Refs 2nd c.AD+].
__II to be in one's right mind, in one's senses, [Refs 5th c.BC+]