σεμνύνεσθαι
From LSJ
Δίκαια δράσας συμμάχους ἕξεις θεούς → Opem tibi deus, iusta si egeris, feret → Gerechtes Handeln schenkt der Götter Beistand dir
Greek > English (Woodhouse Verbs Reversed)
(see also σεμνύνω): be arrogant, be pompous, be solemn, give oneself airs, stand on ceremony