godan verb (-mu), transitive verb
enjoy; have fun; take pleasure in
General verb for enjoying an activity, experience, or state. Used with a direct object marked by を.
週末は友達と映画を楽しんだ。
I enjoyed a movie with friends over the weekend.
彼は釣りを楽しんでいる。
He enjoys fishing.
godan verb (-mu), transitive verb
Dated use; modern Japanese prefers 楽しみにする for 'look forward to'. This sense is now rare and mostly found in older texts.
昔の手紙には「お会いできるのを楽しんでおります」と書かれていた。
Old letters used to say, 'I am looking forward to meeting you.'