σεμνοπρεπής
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
English (LSJ)
ές,
A solemn-looking, dignified, D.C.42.34, D.L.8.11 (both Sup.); τὸ σ.,= σεμνοπρέπεια, D.C.68.31. Adv. -πῶς Hdn.2.10.3.