Open English Wordnet
Verbs
(v)rectifydetermine the length of“rectify a curve” (v)refine, rectifyreduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities“refine sugar” (v)reform, reclaim, regenerate, rectifybring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one“The Church reformed me”,
“reform your conduct” (v)correct, rectify, rightmake right or correct“Correct the mistakes”,
“rectify the calculation” (v)rectifyconvert into direct current“rectify alternating current”