Definition of prosper

< prospectus

prosperity >

pros·per    (prspr) KEY 

intr.v.
pros·pered, pros·per·ing, pros·pers

To be fortunate or successful, especially in terms of one's finances; thrive.

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ETYMOLOGY:
Middle English prosperen, from Old French prosperer, from Latin prosperre, to render fortunate, from prosperus, favorable; see sp- in Indo-European roots