Source : WordNet®

normalize
     v 1: become normal or return to its normal state; "Let us hope
          that relations with this country will normalize soon"
          [syn: {normalise}]
     2: make normal or cause to conform to a norm or standard;
        "normalize relations with China"; "normalize the
        temperature"; "normalize the spelling" [syn: {normalise},
        {renormalize}, {renormalise}]
     3: toughen (steel or glass) by a process of gradually heating
        and cooling; "temper glass" [syn: {anneal}, {temper}]