optimism

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op·ti·mism

(op'ti-mizm),
The tendency to look on the bright side of everything, to believe that there is good in everything.
[L. optimus, best]

optimism

1. The philosophical doctrine that this world is the best possible one.
2. The personal characteristic of regarding only the bright side of a condition or event and of expecting a favorable result.
See: pessimism
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