a. [f. EXPERIMENT v. + -ATIVE.] Inclined to make or venturing upon an experiment; of the nature of an experiment.

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1825.  Coleridge, Aids Refl., Pref. (1848), I. 19. Without a certain portion of gratuitous and … experimentative faith in the writer.

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1885.  G. W. Cable, in Century Mag., XXIX. 412. Any experimentative truce.

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