hoaxing
noun
- deceive, cause to believe a fabrication
Wiktionary
noun
- The perpetration of a hoax.
“What Gundling thought to himself, amid these pranks and hoaxings, we do not know. The poor soul was not born a fool; though he had become one, by college-learning, vanity, strong-drink, and the world's perversity and his own.”
verb
- present participle and gerund of hoax