retentive

Having the quality, power, or capacity of retaining.

Having the ability or capacity to retain knowledge or information with ease.

Serving to hold or confine; restraining; confining.

Retaining; having the power to keep or preserve: as, a body retentive of heat or of magnetism; the retentive force of the stomach.

Specifically, in psychology, retaining presentations or ideas; capable of preserving mental presentations.

That which restrains or confines; a restraint.

Having power to retain.

That which retains or confines; a restraint.

Having power to retain; as, a retentive memory.

That which retains or confines; a restraint.