from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A tendency to expect the best possible outcome or dwell on the most hopeful aspects of a situation: "There is a touch of optimism in every worry about one's own moral cleanliness” ( Victoria Ocampo).
- n. Philosophy The doctrine, asserted by Leibniz, that this world is the best of all possible worlds.
- n. Philosophy The belief that the universe is improving and that good will ultimately triumph over evil.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a tendency to expect the best, or at least, a favourable outcome
- n. the doctrine that this world is the best of all possible worlds
- n. the belief that good will eventually triumph over evil
from the GNU version of the Collaborative International Dictionary of English
- n. The opinion or doctrine that everything in nature, being the work of God, is ordered for the best, or that the ordering of things in the universe is such as to produce the highest good.
- n. A habitual tendency or a present disposition to take the most hopeful view of future events, and to expect a favorable outcome even when unfavorable outcomes are possible; -- opposed to
from The Century Dictionary and Cyclopedia
- n. In metaphysics: Properly, the metaphysical doctrine of Leibnitz that the existing universe is the best of all possible universes.
- n. The doctrine that the universe advances on the whole, so as to be tending toward a state in the indefinite future different in its general character from that in the indefinite past.
- n. The belief, or disposition to believe, that whatever exists is right and good, in some inscrutable way, in spite of all observations to the contrary.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the optimistic feeling that all is going to turn out well
- n. a general disposition to expect the best in all things
French optimisme, from New Latin optimum, the greatest good; see optimum.(American Heritage® Dictionary of the English Language, Fourth Edition)