This word is acceptable for play in the UK dictionary that is being used in the following games:

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n. The act of becoming liquid; melting.

n. The wasting-away of parts of the body; consumption.

n. A melting together; the act of melting; fusion.

n. A processive wasting or melting away of the solid parts of the animal system with copious excretions of liquids by one or more passages.

n. The act of melting; fusion; a melting or fusing together.

n. In old medicine, a wasting away of solid parts, accompanied by an excessive excretion of fluids.

"Moschio the physician said, that putrefaction was a colliquation of the flesh, and that everything that putrefied grew moister than before, and that all heat, if gentle, did stir the humors, though not force them out, but if strong, dry the flesh; and that from these considerations an answer to the question might be easily deduced."

colliquate   

fusion