Definition of Fix
Adjust or regulate; determine; settle; make permanent. Term imports finality; stability; certainty; definiteness. See also Firm.
To liquidate or render certain. To fasten a liability upon one. To transform a possible or contingent liability into a present and definite liability.
The illegal injection of a narcotic. People v. Kimbley, 189 C.A.2d 300, 11 Cal.Rptr. 519, 521.
That's the definition of Fix in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.