(1):

(a.) Giving or producing satisfaction; yielding content; especially, relieving the mind from doubt or uncertainty, and enabling it to rest with confidence; sufficient; as, a satisfactory account or explanation.

(2):

(a.) Making amends, indemnification, or recompense; causing to cease from claims and to rest content; compensating; atoning; as, to make satisfactory compensation, or a satisfactory apology.