the world > relative properties > order > agreement, harmony, or congruity > suitability or appropriateness > be suitable, appropriate, or suit [verb (intransitive)] > be adequate for the case or conditions (3)
intransitive. To operate or turn out (in some way); to succeed, answer a requirement, or serve a purpose; to be fitting or appropriate; to…
intransitive. To suffice or be adequate for a given purpose, subject, time, etc., or to do something.
to fill the bill: to fulfil the necessary requirements; to come up to the requisite standard. Originally U.S. (Cf. fill, v. 7c.)