magnificenter
From LSJ
κεραυνὸν ἐν γλώττῃ φέρειν → carry a thunderbolt on his tongue
Latin > English
magnificenter ADV :: splendidly, in fine/lordly manner/language; superbly; proudly/boastfully
Latin > German (Georges)
māgnificenter, Adv. (magnificus) = magnifice, großartig, prächtig, oppidum m. aedificatum et eleganter, Vitr.: m. opus perfectum, Vitr. – / Compar. magnificentius u. Superl. magnificentissime, s. magnifice.
Latin > French (Gaffiot 2016)
magnĭfĭcentĕr,¹⁴ c. magnifice : Vitr. Arch. 1, 6.