The doctor said she was optimistic about the outcome of the operation but forbore to make any promises at this early stage.
The treasurer has been taking a more optimistic view of economic recovery in his recent public pronouncements.
It's a bit optimistic to expect a politician to tell you the unvarnished truth.
Unlike those who retire on the grounds of ill health, those who take early retirement are relatively optimistic about retirement.
Some real problems arose from high speculation from over optimistic expectations about pastoral exports potential at the time.
Optimistic (pessimistic) expectations involve a second-period equilibrium characterized by a low (high) probability of devaluation, which in turn validates the expectations.