If you are talking about the word 'despair' as a noun, some antonyms would be 'joy' and 'happiness'. However, if you are talking about it as a verb, a antonym would be 'hope'.
The collective noun is a wilderness of despair. The noun despair is also a collective noun for a despair of writers, a despair of goths.
despair
She gave up her attempt in despair. The despair of the crowd caused panic.
of Despair, Feeling or expressing despair; hopeless.
"Despair" means "to be helpless."
The word despair is followed by "of" in an archaic construction equivalent to "give up hope."e.g. I despair of ever reaching home.The word despair is often the object of prepositions "in" or "of" (e.g. depths of despair).
"Despair" is a noun or a verb.
The cast of Despair - 2004 includes: Jeff Jennings as Man of Despair
Passion Despair was created on 2011-05-07.
How would you draw a football scoreboard?
I will tell you a secret. Desiring to cope with despair is the same as wanting to remain in despair. Don't desire to despair, and don't desire to be rid of it. Talk with people, starting with your doctor, trusted friends or counselors. Despair is a deceitful companion.