ETYMOLOGY
from Latin falsiloquus (from falsus (false) + loqui (to speak)) + -ence
EXAMPLE
“…And that their Mutual Forces Join’d,
Harnass’d with Wit so much refin’d;
And so adorn’d instead of Sense,
With Trappings of Falsiloquence,
Might draw misjudging Fools to be,
In Love with their Sincerity;…”
From: The Fifth and last Part of Vulgus Britannicus
By Edward Ward, 1710
Lexicophilia 