a. [f. as next + -AL.] Pertaining to or characteristic of conspirators or conspiracy.
1802–12. Bentham, Ration. Judic. Evid. (1827), III. vi. 123. Of the eight modifications of self-disserving evidence above brought to view, five stand excluded, as being incapable of finding entrance into a place so defended. These are, 1. conspiratorial; [etc.].
1841. Examiner, 28 Feb., 5/2. Mr. Webster went cheerfully through his amatory an conspiratorial duties in the piece, notwithstanding.
1855. Dickens, Dorrit, I. xxv. To unite [glasses] in a general conspiratorial clink.
1859. G. Meredith, R. Feverel, I. vii. 111. A fearful conspiratorial frown, that would not have disgraced Guido Fawkes.
1890. Pall Mall G., 1 April, 5/2. [He] has a great round Russian face, strong, conspiratorial.
