variants
also British theorise
theorizes; theorized; theorizing
: to think of or suggest ideas about what is possibly true or real : to form or suggest a theory about something
Many scientists have theorized about/on the possibility of life on other planets.
—usually + thatThe police theorized that the same person was responsible for both murders.
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“Theorize.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/theorize. Accessed 15 Jun. 2026.
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