Abbott-Smith Manual Greek Lexicon
μεγαλειότης (G3168)
3 μεγαλειότης , -ητος, ἡ ( μεγαλεῖος ), [in LXX: Je 40 (33):9 ( תִּפְאֶרֶת ), Da LXX 7:27 , I Es 1:5 4:40 *;] splendour , magnificence : Lk 9:43 , Ac 19:27 , II Pe 1:16 (freq. in π. as a ceremonial title, MM, xvi).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain