verb (used with or without object), syl·lo·gized, syl·lo·giz·ing.

to argue or reason by syllogism.

Also especially British, syl·lo·gise.

Origin of syllogize

1375–1425; late Middle English silogysen < Late Latin syllogizāre < Greek syllogízesthai to reason, equivalent to syl- syl- + logízesthai to reckon, infer, equivalent to lóg(os) discourse (see logos) + -izesthai -ize
Related formssyl·lo·gi·za·tion, nounsyl·lo·giz·er, nounnon·syl·lo·giz·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for syllogize

Historical Examples of syllogize

British Dictionary definitions for syllogize




to reason or infer by using syllogisms
Derived Formssyllogization or syllogisation, nounsyllogizer or syllogiser, noun

Word Origin for syllogize

C15: via Old French from Late Latin syllogizāre, from Greek sullogizesthai; see syllogism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012