'green light' definitions:
Definition of 'green light'
From: WordNet
noun
A signal to proceed [syn: green light, go-ahead]
noun
Permission to proceed with a project or to take action; "the gave the green light for construction to begin"
Synonyms of 'green light'
From: Moby Thesaurus
- acceptance,
- admission,
- affirmance,
- affirmation,
- aid to navigation,
- alarm,
- allowance,
- amber light,
- approbation,
- approval,
- authentication,
- authorization,
- balefire,
- beacon,
- beacon fire,
- bell,
- bell buoy,
- blinker,
- blue peter,
- buoy,
- caution light,
- certification,
- charter,
- confirmation,
- consent,
- countersignature,
- dispensation,
- endorsement,
- flare,
- fog bell,
- fog signal,
- fog whistle,
- foghorn,
- glance,
- go light,
- go-ahead,
- gong buoy,
- heliograph,
- high sign,
- imprimatur,
- international alphabet flag,
- international numeral pennant,
- John Hancock,
- kick,
- leave,
- leer,
- liberty,
- license,
- marker beacon,
- nod,
- notarization,
- nudge,
- OK,
- okay,
- parachute flare,
- patent,
- permission,
- permission to enter,
- pilot flag,
- poke,
- police whistle,
- quarantine flag,
- radio beacon,
- ratification,
- red flag,
- red light,
- release,
- rocket,
- Roman candle,
- rubber stamp,
- sailing aid,
- sanction,
- seal,
- semaphore,
- semaphore flag,
- semaphore telegraph,
- sigil,
- sign,
- signal,
- signal beacon,
- signal bell,
- signal fire,
- signal flag,
- signal gong,
- signal gun,
- signal lamp,
- signal light,
- signal mast,
- signal post,
- signal rocket,
- signal shot,
- signal siren,
- signal tower,
- signature,
- signet,
- spar buoy,
- special permission,
- stamp,
- stamp of approval,
- stop light,
- stop-and-go light,
- subscription,
- the nod,
- the wink,
- ticket,
- ticket of admission,
- touch,
- traffic light,
- traffic signal,
- validation,
- visa,
- vise,
- vouchsafement,
- waiver,
- warrant,
- watch fire,
- white flag,
- wigwag,
- wigwag flag,
- wink,
- yellow flag