a. [ L. prosperus or prosper, originally, answering to hope; pro according to + the root of sperare to hope. See Despair. ] 1. Tending to prosperity; favoring; favorable; helpful. [ 1913 Webster ]
A happy passage and a prosperous wind. Denham. [ 1913 Webster ]
2. Being prospered; advancing in the pursuit of anything desirable; making gain, or increase; thriving; successful; as, a prosperous voyage; a prosperous undertaking; a prosperous man or nation. [ 1913 Webster ]
By moderation either state to bear
Prosperous or adverse. Milton. [ 1913 Webster ]
Syn. -- Fortunate; successful; flourishing; thriving; favorable; auspicious; lucky. See Fortunate. [ 1913 Webster ]
-- Pros"per*ous*ly, adv. -- Pros"per*ous*ness, n. [ 1913 Webster ]