Having a positive outlook or expecting the best possible outcome. Despite the challenges, she remained optimistic about the future of the project.
Of a forecast, statement, or estimate: tending to predict or reflect a favorable outcome. Analysts issued an optimistic earnings outlook for the next quarter.
Relating to or based on the philosophical doctrine that the world is fundamentally good or the best possible. Leibniz advanced an optimistic view, claiming that we live in the best of all possible worlds.