definitions

theorize

[ thee-uh-rahyz, theer-ahyz ]
/ ˈθi əˌraɪz, ˈθɪər aɪz /
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SEE MORE SYNONYMS FOR theorize ON THESAURUS.COM

verb (used without object), the·o·rized, the·o·riz·ing.

to form a theory or theories.

verb (used with object), the·o·rized, the·o·riz·ing.

to form a theory or theories about.

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RELATED WORDS

speculate, conjecture, formulate, suggest, guess, submit, project, suppose, propound, think

Nearby words

theoretical arithmetic, theoretically, theoretician, theoretics, theorist, theorize, theory, theory of equations, theory of everything, theory of games, theory of mind
Also especially British, the·o·rise.

Origin of theorize

From the Medieval Latin word theōrizāre, dating back to 1630–40. See theory, -ize
Related formsthe·o·ri·za·tion, nounthe·o·riz·er, nouno·ver·the·o·ri·za·tion, nouno·ver·the·o·rize, verb (used without object), o·ver·the·o·rized, o·ver·the·o·riz·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for theorize

British Dictionary definitions for theorize

theorize

theorise

/ (ˈθɪəˌraɪz) /

verb

(intr) to produce or use theories; speculate
Derived Formstheorization or theorisation, nountheorizer or theoriser, noun
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

Word Origin and History for theorize

theorize

v.

1630s, perhaps a formation in English from theory + -ize. Related: Theorized; theorizing.

Online Etymology Dictionary, © 2010 Douglas Harper