v. t. [ imp. & p. p. Synonymized p. pr. & vb. n. Synonymizing ] To express by a synonym or synonyms; to give the synonym or synonyms corresponding to. [ 1913 Webster ]
This word “fortis” we may synonymize after all these fashions: stout, hardy, valiant, doughty, courageous, adventurous, brave, bold, daring, intrepid. Camden. [ 1913 Webster ]