expatiating

verb

1. (form-of, gerund, participle, present)present participle and gerund of expatiate

   “Surely the time passed in expatiating on the reverend Doctor's faults was rather profitably passed than otherwise.”

noun

1. expatiation

   “[…] we can scarcely open, a book in which the habits and manners of animals are treated of, without meeting with numerous, fervent, and eloquent expatiatings on their sagacity […]”