mu·tu·al·ize 
(mych-ə-līz′)
(mych-ə-līz′)v. mu·tu·al·ized, mu·tu·al·iz·ing, mu·tu·al·iz·es
v.tr.
1. To make mutual.
2. To set up or reorganize (a corporation) so that the majority of common stock is owned by customers or employees.
v.intr.
To become mutual.
mu′tu·al·i·zation (-ə-lĭ-zāshən) n.