Origin of reliable
Examples from the Web for reliably
Reliably Democratic Maryland and Massachusetts elected Republicans as governors.
With that kind of track record, how can anyone make the argument that independent/swing voters are reliably partisan?Yes, Independent Swing Voters Are Real. And May Decide Who Wins Elections|Linda Killian|November 3, 2014|DAILY BEAST
A reliably Republican midterm electorate will cancel out a Democratic-leaning presidential-year electorate and then some.
She led a reliably epic and wild life, powered by a brand of comedy that regarded nothing as beyond the pale.What Joan Rivers Said She Would Do If She Were Dictator of America|Asawin Suebsaeng|September 5, 2014|DAILY BEAST
He was, however, reliably political—as well as reliably liberal—in a fair amount of his stand-up comedy.The Political Passion of Robin Williams, From Reagan-Bashing to AIDS Prevention|Asawin Suebsaeng|August 13, 2014|DAILY BEAST
The application, therefore, can be valid only if the constancy of general conditions may be reliably assumed.
A goodly number of men before him had altered their humble plans for the same reason, I am reliably informed.Truxton King|George Barr McCutcheon
Name and word recall more quickly, reliably, and energetically the objects they stand for than do the objects their symbols.
Later she was reliably informed that she had appeared splendidly collected and regally happy.The Tyranny of Weakness|Charles Neville Buck
There would appear to have been little truth in these rumors, for he is reliably reported to be advancing on Havana.
1560s, raliabill, Scottish; see rely + -able. Not common before 1850; and sometimes execrated thereafter in Britain as an Americanism because it involves a use of -able different from its use in provable, etc., but defended (by OED, Century Dictionary, etc.) on grounds of use of the suffix in available, laughable, etc.. Related: Reliably.