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have theorized

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Although investigators haven’t determined a motive for the arboreal attacks, both residents and law enforcement officers have theorized they may be the work of a homeowner seeking to improve property value.

From Los Angeles Times ● Sep. 19, 2026

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

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