verb (used without object), the·o·rized, the·o·riz·ing.
verb (used with object), the·o·rized, the·o·riz·ing.
Also especially British, the·o·rise.
Origin of theorize
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.
From the Medieval Latin
dating back to 1630–40.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for theorise
Historical Examples of theorise
Of course I can theorise it now perfectly, and practise it at periods.
You must acquire all the facts, before you can be qualified to theorise.
I must sprawl and flounder, comment and theorise, if I am to get the thing out I have in mind.
We can all theorise, and lay down the law; the tug comes when we begin to act.
But it is unlikely that he attempted to theorise further on the nature of the power.
British Dictionary definitions for theorise
Derived Formstheorization or theorisation, nountheorizer or theoriser, noun
(intr) to produce or use theories; speculate
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 theorise
1630s, perhaps a formation in English from theory + -ize. Related: Theorized; theorizing.
Online Etymology Dictionary, © 2010 Douglas Harper