nonce-wd. One who deals in conjectures.
1776. Mickle, trans. Camoens Lusiad, 458, note. The Platonic idea of a trinity of divine attributes was well known to the ancients, yet perhaps the Athanasian controversy offers a fairer field to the conjecturist.
1828. Bentham, Wks., I. 244/1. To which, by the conjecturists the work was ascribed.