Lewis & Short

ēdŭcātor, ōris, m. [2. edŭco], a rearer, bringer-up (rare, but good prose).

  1. I. Prop., of a foster-father, Cic. Planc. 33, 81; Quint. 7, 1, 14; cf. Cic. N. D. 2, 34.
  2. II. Transf., of tutors, pedagogues, Tac. A. 11, 1; 12, 41; 14, 3; Dig. 40, 2, 13 et saep.