Lewis & Short

tempestīvĭtas, ātis, f. [tempestivus], a right or proper time, timeliness, seasonableness (rare).

  1. I. Lit.: sua cuique parti aetatis tempestivitas est data, its appropriate quality or character, * Cic. Sen. 10, 33; Plin. 10, 34, 52, § 105; 11, 14, 14, § 36; 18, 30, 73, § 303.
  2. * II. Transf., a right or proper state or condition: tempestivitates stomachi totiusque corporis, Plin. 29, 6, 38, § 120.