Lewis & Short

rēstĭtūtōrĭus, a, um, adj. [id. II.], of or relating to restitution, restitutory (jurid. Lat.): interdictum, Dig. 43, 1, 1: judicium, ib. 3, 3, 46: actio, ib. 2, 10, 3.
As subst.: in restitutorio agendo (i. e. judicio), Dig. 27, 6, 7.