ETYMOLOGY
from Latin nugatorius (frivolous, insignificant, worthless) + -ous
EXAMPLE
“… The tenet of the Catholick Church concerning Angels and Devils, that they are invisible spirits created of God in their own distinct substances separate from men, is nugatorious: that the Angels are only qualities and motions which God inspires into men, that the Devils are nothing but only boggles in the night to terrifie men arising from mens imaginations. …”
From: Anabaptism, the true fountaine of Independency, Brownisme, Antinomy, Familisme, and the most of the other errours, which for the time doe trouble the Church of England, vnsealed
By Robert Baillie, 1647
Lexicophilia 