The Collaborative International Dictionary
Antidotally
Antidotal \An"ti*do`tal\ ([a^]n"t[i^]*d[=o]`tal)(#) a.
Having the quality an antidote; fitted to counteract the
effects of poison.
--Sir T. Browne. -- An"ti*do`tal*ly,
adv.
Wiktionary
antidotally
adv. As an antidote.