Abbott-Smith Manual Greek Lexicon
μεγαλοπρεπής (G3169)
1 μεγαλοπρεπής , ές (= μεγάλῳ πρέπων ), [in LXX: De 33:26 ( גַּאֲוָה ), II Mac 8:15 15:13 , III Mac 2:9 *;] befitting a great man , magnificent , majestic : II Pe 1:17 (cf. MM, xvi).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain