Englishfor English speakers
acceptable
Adjective
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When something is acceptable it is capable of being accepted or is worth being accepted.
You ideas are acceptable to the group.
The quality of the work ranged from excellent to acceptable.
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When something is welcome or pleasing, it is acceptable.
Any kind words for my work are acceptable.
theory
Noun
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A theory is an idea that tries to explain an observation.
The new information showed that his theory about growth was incorrect.
Nobody has disproved Einstein's theory of general relativity.