Resolver
Pronunciation : Re*solv"er (r-zlv"r)
Part of Speech : n.
Definition : 1. That which decomposes, or dissolves. Boyle.
2. That which clears up and removes difficulties, and makes the mind certain or determined. Bp. Burnet.
3. One who resolves, or formal a firm purpose.
Source : Webster's Unabridged Dictionary, 1913