happy; glad; pleased; delighted; overjoyed
joyful; delightful; gratifying; pleasant
to seem glad; to look happy; to be glad
(accidentally) peeing out of excitement; excitement urination
久しぶりに友達が来て嬉しいです。
I'm happy that my friend came.
プレゼントをもらって嬉しかったです。
I was happy to receive a present.
試験に合格して嬉しかった。
I was happy that I passed the exam.