OPTIMIST
optimist
(noun) a person disposed to take a favorable view of things
Source: WordNet® 3.1
Etymology
Noun
optimist (plural optimists)
a person who expects a favourable outcome
a believer in optimism
Antonyms
• pessimist
Noun
Optimist (plural Optimists)
(nautical) A small centre-board sailing dinghy designed to train and introduce young children into sailing.
Synonym: Oppy
Source: Wiktionary
Op"ti*mist, n. Etym: [Cf. F. optimiste.]
1. (Metaph.)
Definition: One who holds the opinion that all events are ordered for the
best.
2. One who looks on the bright side of things, or takes hopeful
views; -- opposed to pessimist.
Source: Webster’s Unabridged Dictionary 1913 Edition