Lewis & Short

dătīvus, a, um, adj. [do], of or belonging to giving, given, appointed.

  1. I. In jurid. Lat.: dativi tutores "qui nominatim testamento dantur," Gai. Inst. 1, § 149.
  2. II. In gram.: dativus casus, or absol. da-tivus, i, m., the dative, Quint. 1, 7, 18; 7, 9, 13; Gell. 4, 16, 3 et saep. (cf. casus dandi, Varr. L. L. 8, 18, 112; 10, 2, 165; Nigid. ap. Gell. 13, 25, 4; Gell. 4, 16, 4 al.).