way of dealing with; way of handling
Refers to the method or manner in which a situation, problem, or person is dealt with. Often used in contexts requiring a specific approach or treatment.
Please tell me how to deal with this problem.
I don't think his way of handling it was appropriate.
Compound of 処し (continuative form of 処する, 'to deal with') + 方 (かた, 'way'). The exact historical derivation is straightforward; the expression is a standard nominalization pattern.