Synonymize \Syn*on"y*mize\, 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]