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Verb: go ahead
  1. Proceed (with a plan of action)
    "He went ahead with the project";
    - plow ahead [US], plough ahead [Brit, Cdn]
Noun: go-ahead  'gow-u,hed
  1. A signal to proceed
    - green light, thumbs-up [informal]
  2. Readiness to embark on bold new ventures
    - enterprise, enterprisingness, initiative

Derived forms: gone ahead, goes ahead, going ahead, go-aheads, went ahead

Type of: act, drive, move, robot [S.Africa], stoplight [N. Amer], traffic light, traffic signal

Encyclopedia: Go ahead, make my day