Webster's English Dictionary

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prosper

pros.per \'pra:s-p*r\ \-p(*-)rin\ vb or pros.per.ing [ME prosperen, fr. MF 
   prosperer, fr. L prosperare to cause to] succeed, fr. prosperus favorable 
   1: SUCCEED; esp : to achieve economic success  2: FLOURISH, THRIVE  : to 
   cause to succeed or thrive