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have theorized

  • present perfect
    of theorize.
    theorize
    verb (used without object)
    to form a theory or theories.

Example Sentences

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Since at least the 1960s, economists have theorized that most people should annuitize a portion of their wealth by handing it to an insurance company in exchange for a lifelong monthly payment.

From MarketWatch Jun. 26, 2026

Those traders have theorized that total trading activity may be a factor in deciding the number of tokens received.

From Barron's Apr. 22, 2026

Researchers have theorized that GLP-1 drugs could help in Alzheimer’s by mitigating inflammation in the brain and potentially protecting neurons.

From The Wall Street Journal Nov. 24, 2025

Some have theorized that this may be an evolutionary trait built in to provide humans with a reward for being able to outrun predators and stay fit.

From Salon Apr. 19, 2025

Physicists have theorized that we live in an infinite and infinitely expanding universe, and that everything in it will eventually repeat.

From "We Are the Ants" by Shaun David Hutchinson