gave the green light (verb) accede: agree or consent
Sinonime: clearly, conspicuously,
evidently, expressly, in plain sight,
indubitably, manifestly, officially, openly, overtly, palpably, patently, perceptibly, plainly, transparently, unmistakably
Antonime: condemn,
demur,
denounce, denounce,
deny,
protest,
refuse