NUGATORY

PRONUNCIATION: (NOO-guh-tor-ee, NYOO-)

MEANING: adjective:
1. Of little value; trifling.
2. Having no force; ineffective.

ETYMOLOGY: From Latin nugatorius (trifling), from nugari (to trifle). Earliest documented use: 1603.
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MUGATORY - what many a Whig would like to do (but instead, being Gentlemen, they content themselves with NAGATORY)

NEGATORY - military slang for the opposite of "affirmative"

NUTATORY - pertaining to nodding movement, more specifically to the perturbation of the axis of a spinning symmetrical object in a gravitational field (actually that may be a real word; see NUTATION)