ca·su·ist /ˈkæʒuɪst, ˈkæʒwɪst/
Cas·u·ist n. One who is skilled in, or given to, casuistry.
The judment of any casuist or learned divine concerning the state of a man's soul, is not sufficient to give him confidence. --South.
Cas·u·ist, v. i. To play the casuist.
n : someone whose reasoning is subtle and often specious [syn: sophist]