ˌharēəˈlāshən noun
( -s )
Etymology: Latin hariolation-, hariolatio action of prophesying, from hariolatus (past participle of hariolari to prophesy, divine) + -ion-, -io -ion; probably akin to Latin harus pex soothsayer, diviner — more at yarn
: the act or process of deduction : guesswork
facts as distinguished from what classical scholars call hariolations — George Saintsbury