APODICTIC

[apo.dic.tic] also apo.deic.tic adj [L apodicticus, fr. Gk apodeiktikos, fr. apodeiknynai to demonstrate, fr. apo- + deiknynai to show--more at diction] (ca. 1645): expressing or of the nature of necessary truth or absolute certainty -- apo.dic.ti.cal.ly adv