Source : WordNet®

call back
     v 1: cause to be returned; "recall the defective auto tires";
          "The manufacturer tried to call back the spoilt yoghurt"
          [syn: {recall}, {call in}, {withdraw}]
     2: recall knowledge from memory; have a recollection; "I can't
        remember saying any such thing"; "I can't think what her
        last name was"; "can you remember her phone number?"; "Do
        you remember that he once loved you?"; "call up memories"
        [syn: {remember}, {retrieve}, {recall}, {call up}, {recollect},
         {think}] [ant: {forget}]
     3: return or repeat a telephone call; "I am busy right now--can
        you call back in an hour?"; "She left a message but the
        contractor never called back"
     4: summon to return; "The ambassador was recalled to his
        country"; "The company called back many of the workers it
        had laid off during the recession" [syn: {recall}]