Fetching details from the dictionary...
joyful (news, event, etc.); joyous; delightful (e.g. result); pleasing (e.g. sight); gratifying; welcome; good; happy; glad; pleased
喜ばしい知らせが届いて皆の顔が明るくなった。
The welcome news arrived and everyone brightened up.
旧友が賞を受けたと知り、とても喜ばしかった。
Hearing that an old friend received an award was very pleasing.
他人の失敗を望むのは喜ばしくない。
Wishing for others to fail is not a good thing.