Feeling
Mood
noun
Part of your energy is your feeling or your mood. Just think of it like you're breaking up your energy into parts. One part is sugar giving you energy. Another part is your happiness. So, when you combine these together you get the total: your mood!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
今日の母は気分がいいです。
Mom's in a good mood today.
なんとなくピクニックに出かけたい気分です。
I feel like going on a picnic now.
ウィスキーを口にして気分がよくなった。
I started feeling better as I had some whiskey.