Answer:
According to the internet,
theory is
theory is a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
Here are some synonyms and antonyms for you to easily more understand.
Synonyms:
hypothesis
supposition
premise
premisesurmise
premisesurmiseassumption
premisesurmiseassumptionpresumption
presupposition
guess
Antonyms:
fact.
fact.information.
fact.information.truth.
fact.information.truth.calculation.
measurement
