"Jestful" is a word in ENGLISH

jestful ENGLISH
Definition:

Given to jesting; full of jokes.

Few words of positivity

Every word the right one and exactly where it should be. That's basically the highest compliment I can give.

Gabrielle Zevin, The Storied Life of A.J. Fikry

WORD SUGGESTIONS
Laugh your heart out.

The Counselor was talking to the campers about safety. She said 'Don't climb any trees. If you fall down and break a leg, don't come running to me!'

jocose ENGLISH

Given to jokes and jesting; containing a joke, or abounding in jokes; merry; sportive; humorous.

Read the complete definition
jocular ENGLISH

Given to jesting; jocose; as, a jocular person.

Read the complete definition