Also especially British, the·o·rise.
Origin of theorize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for theorised
It theorised not, indeed, about the Incarnation and the modes of the Divine existence.
The campaign would probably be conducted as theorised by Don Rafael.The Harlequin Opal, Vol. 2 (of 3)
Why should not Othello marry Desdemona, and keep her at her father's, as theorised?
That was the conclusion which he arrived at when he theorised on matter without any theological aim.Theism
Claes had been suddenly jerked from the ideal world in which he theorised and toiled into the real world of men.
- (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 theorised
Online Etymology Dictionary, © 2010 Douglas Harper