nod · clearance · signal · okay · sanction · consent · launch · proceed · start · blessing · endorsement · stamp · rubber-stamp · unlock · open-door · release · trigger · kickoff
IDEA.org / Words / give the go-ahead
Related — approve (Formally accept or authorize); greenlight (Authorization to proceed); authorize (Grant formal permission); permission · thumbs-up · nod · clearance · signal · okay · sanction · consent · launch · proceed
permission/authorizationgive the go-ahead ≠ deny Refuse to admit; reject · veto · forbid · prohibit · turn down
action initiationgive the go-ahead ≠ halt Complete sudden stop; stop · call off · put a stop to · pull the plug · cancel
Word data: Linguabase (CC0) · www.idea.org/words/give_the_go-ahead