The Collaborative International Dictionary
Tautologizing
Tautologize \Tau*tol"o*gize\, v. i. [imp. & p. p. Tautologized; p. pr. & vb. n. Tautologizing.] To repeat the same thing in different words.
Wiktionary
tautologizing
vb. (present participle of tautologize English)