This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Present participle of rationalize.

"You can but usually modest in that's what I referred to as the rationalizing horsepower of customers."

rationalized    rationalizes    rationalizing   

think    cogitate    cerebrate    extinguish    do away with   

denationalize    internationalize    nationalize    renationalize   

ill-treating    cultures'    cosmogonic    populorum    belittle