blithening

Verb

blithen (third-person singular simple present blithens, present participle blithening, simple past and past participle blithened)

1. (transitive) To make glad or blithe; gladden.
   • When we entered the parlour, which had been so often blithened with the jocose spirit of its defunct mistress, we confess that our emotions were almost too great for our fortitude, […]1895, John Galt, The Entail Or the Lairds of Grippy, page 304
2. (intransitive) To become glad or blithe; gladden.
   • The villages blithened when he came; […]1924, Joshua Freeman Crowell, Florence Hathaway Crowell, Cape Cod in Poetry, page 16