Third-person singular simple present indicative form of theorize.(verb)
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Use "theorizes" in a sentence
"Synopsis: A small military ship carries researchers to the planet named JQ211F, which one biologist theorizes is the location of the origin of life."
"Thorpe theorizes that Wall could be an all-star by next season and in the discussion about best point guard in the East in two years."
"He theorizes that “the shape and form of the new timeline will be determined by now-former castaways, thanks to the two gifts given to them by Jacob in the finale: a second chance at life — and the freedom to create their own destiny.”"