The definition of 'go-ahead' & the word 'go-ahead' in example sentences or phrases

Noun
1
a signal to proceed
2
readiness to embark on bold new ventures
Verb
1
proceed (with a plan oc action)

Synonyms of the word 'go-ahead' & Antonyms of the word 'go-ahead'.

Noun
Synonymsgreen light, enterprise, enterprisingness, initiative,
Verb
Synonymsplow ahead,