Lewis & Short

absento, āre, 1, v. a. and n. [absens].

  1. I. Act., to cause one to be absent, i. e. to send away: patriis procul absentaverit astris, Claud. Pros. 3, 213 (others read amandaverit, or patriisque procul mandaverit), Cod. Th. 12, 1, 48.
  2. II. Neutr., to be absent: absentans Ulixes, Sid. 9, 13 fin.