Caring, concerned, chilled, cold, comfortable, confused, calm, cantankerous.
Zealous is a feeling.
One type of feeling that starts with "O" is overwhelm, which is characterized by feeling completely overcome or inundated with emotions or tasks.
· zealous
· yearning
lucky
empathy, or ecstatic
Melancholy?
caring
Jolly, Jealous
Remorse regret
The feeling that Billy Currington tries to describe in the country song "I got a feeling"
pissed Pure Joy