Hypothesize (verb) - Definition and TOEFL Usage:

hy·poth·e·size (haɪˈpɒθəˌsaɪz) v. [hy·poth·e·sized, hy·poth·e·siz·ing]

1. [intransitive verb] To form a hypothesis; to propose a tentative explanation for a phenomenon that can be further tested. "Scientists hypothesize about the origins of the universe."
2. [transitive verb] To propose or put forward (a hypothesis or theory) as an explanation for something. "Researchers hypothesized that sleep deprivation affects memory retention."

Usage Notes:

• Formal/Academic contexts
• Often followed by "that" clause
• Common in scientific writing

Common Academic Contexts:

• Scientists hypothesize about climate change impacts
• Researchers hypothesize new learning methods for language acquisition

Example

• Scientists often hypothesize before conducting experiments to have a basis for their research.
• If you hypothesize that the sun will rise tomorrow, you're making an educated guess based on previous observations.
• To solve the mystery, the detective had to hypothesize about the possible motives of the suspects.
• In her thesis, she hypothesized that social media has a significant impact on teenage self-esteem.
• Economists hypothesize about the future of the market to advise investors and policymakers.