optimistic
1. [ adjective ] expecting the best in this best of all possible worlds
Examples:

"in an optimistic mood" "optimistic plans" "took an optimistic view"

Related terms: pessimistic rose-colored cheerful starry-eyed bullish sanguine positive hopeful
2. [ adjective ] expecting the best
Synonyms: affirmative
Examples:

"an affirmative outlook"

Related terms: positive
Similar spelling:   optimist
  optimism
  optimise
  optimisation
  optimum
  optimize
  optimization