Satisfactory is a virture.
My grade on the test wasn't 100% but it was satisfactory.
When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).
thoroughly satisfactory
the vodka stung his throat satisfactorily as he allowed himself to drift into his melancholy drunkness.