Simple past tense and past participle of theorize.(verb)
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Use "theorized" in a sentence
"One reason, Rosen theorized, is that they did not want to open a national debate over who can serve in the IDF, because ultra-Orthodox seminary students are exempt from military service -- a policy that a majority of Israelis want to cancel."
"In 1985, Buzz Aldrin theorized a so-called Aldrin Cycler corresponding to a single synodic period."
"‘The goal of life, Hubbard theorized, is survival of the Self through ever-expanding spheres of influence and responsibility: initially as an individual, then beyond that single identity through procreation and family; through group interaction; through membership in a particular species; through interaction with other species; through matter, energy, space and time (MEST); through identity as spirit; and finally expansion of the Self into the Absolute.’"