The Collaborative International Dictionary
Apodeictical
Apodeictic \Ap"o*deic"tic\, Apodictic \Ap`o*dic"tic\,
Apodeictical \Ap`o*deic"tic*al\, Apodictical \Ap`o*dic"tic*al\,
a. [L. apodicticus, Gr. ?, fr. ? to point out, to show by
argument; ? from + ? to show.]
Self-evident; intuitively true; evident beyond contradiction.
--Brougham. Sir Wm. Hamilton.
Wiktionary
apodeictical
a. apodeictic