Acceptability judgement

An acceptability judgement is a basic datum for linguistics: an introspective judgement by a (native) speaker of a language concerning the acceptability of a linguistic expression (sentence, form, etc.).

Comment
Acceptability judgements are often called grammaticality judgements, but this terminological usage is problematic because grammaticality is a property of the language system and is not directly accessibly to the speakers.

Other languages
German Akzeptabilitätsurteil