Princeton WordNet 3.0

Naiova uses semantic and lexical data (synsets, English lemmas, definitions)
derived from Princeton WordNet 3.0.

WordNet 3.0 Copyright 2006 by Princeton University.  All rights reserved.

Upstream source:
https://wordnetcode.princeton.edu/3.0/WordNet-3.0.tar.gz

The complete upstream license artifact is bundled with this notice:
- PrincetonWordNet-LICENSE.txt