rectify (v.) Look up rectify at Dictionary.com
c. 1400, from Old French rectifier, literally "to make straight" (14c.), from Late Latin rectificare "make right," from Latin rectus "straight" (from PIE root *reg- "move in a straight line," with derivatives meaning "to direct in a straight line") + combining form of facere "to make" (from PIE root *dhe- "to set, put"). Related: Rectified; rectifying.