Definition of retrodict in English:

retrodict

Pronunciation /ˌretrōˈdikt/ /ˌrɛtroʊˈdɪkt/

transitive verb

[with object]
  • State a fact about the past based on inference or deduction, rather than evidence.

    ‘On the other hand, the ‘theory of moves,’ which is founded on game theory but radically changes its standard rules of play, does retrodict, or make past predictions of, the leaders' choices.’
    • ‘The only measure of success here is how well the models retrodict climate.’
    • ‘The observation fitted a prediction of the theory, rather than the theory retrodicting an already observed phenomena.’

Origin

1940s on the pattern of predict.