satisfactory

adjective

1. giving or affording satisfaction; fulfilling all demands or requirements: a satisfactory solution.
2. Theology. atoning or expiating.

adjective

1. adequate or suitable; acceptablea satisfactory answer
2. giving satisfaction
3. constituting or involving atonement, recompense, or expiation for sin

adj.mid-15c., “capable of atoning for sin,” from Middle French satisfactoire (14c.) and directly from Late Latin satisfactorius, from Latin satisfactus, past participle of satisfacere (see satisfy). Meaning “adequate” is from 1630s. Related: Satisfactorily; satisfactoriness.