INSTANTER
Source: 567
‖In‐stan″ter (?), adv. [[L., vehemently, earnestly. See Instant, n. & a.]] Immediately; instantly; at once; as, he left instanter.
Source: 567
‖In‐stan″ter (?), adv. [[L., vehemently, earnestly. See Instant, n. & a.]] Immediately; instantly; at once; as, he left instanter.