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1.
MOOSEFULNESS
Like "Usefulness" but for Moose linguists

also the name of a youtuber
But predominately part of the Moose-dictionary.
MOOSEFUL is derived from MOOSEFULNESS
Moose (or liguist of the moose-kind) - "I know something quite mooseful. A can opener.

Other: what's the moosefulness of that?

Moose: well, you won't have to open cans with your hooves anymore
by Moosefanatic January 10, 2010