D defs.my
Entry 1 sense Webster, 1913

Syllogize

· Syl·lo·gize · IPA /ˈsɪlədʒʌɪz/
01 v. i. To reason by means of syllogisms.
imp. & p. p. Syllogized; p. pr. & vb. n. Syllogizing
  1. 1.
    To reason by means of syllogisms.
    “Men have endeavored . . . to teach boys to syllogize, or frame arguments and refute them, without any real inward knowledge of the question.” I. Watts.