predictional en · ADJ
Etymology
From prediction + -al.
Meanings
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(not-comparable) Relating to prediction; prophetic; prognostic.
Predictional astrology is, to my personal point of view, both a menace and a handicap.
1951, Alice A. Bailey, The Unfinished Autobiography of Alice A. Bailey, page 231:It is obvious that with it the principle of induction would lose its predictional value.
1996, Sahotra Sarkar, Logic, Probability, and Epistemology: The Power of Semantics: