cas·u·ist·ry | \ kaZHōōəstrē \
Meaning: The use of clever-sounding, but actually unsound reasoning, especially in relation to moral questions; sophistry; intellectual dishonesty. The word casuistry is derived from the Latin noun casus (“case” or “occurrence”)1
Casuistry is a noun. Other derived forms include casuistic (adjective), casuistically (adverb) and casuist (noun).
- According to Wikipedia.