rē-stĭpŭlor: āri,I v. dep. a., to stipulate, promise, or engage in return (syn.: recipio, despondeo), Cic. Rosc. Com. 13, 38; App. Mag. p. 338, 25; Val. Max. 2, 8, 2.
restĭpŭlor,¹⁴ ārī, tr., stipuler de façon réciproque : Cic. Com. 38.