/ ˌɒptɪˈmɪstɪk; NAmE ˌɑːp-/ adjective
optimistic (about sth) | optimistic (that ... ) expecting good things to happen or sth to be successful; showing this feeling
SYN positive :
She's not very optimistic about the outcome of the talks.
They are cautiously optimistic that the reforms will take place.
We are now taking a more optimistic view.
in an optimistic mood
I think you're being a little over-optimistic .
OPP pessimistic
► op·ti·mis·tic·al·ly / -kli; NAmE / adverb