be all set
to be ready to start doing something that you have planned to do, and be just about to do it

[TahlilGaran] Dictionary of Contemporary English ▲

ready [not before noun] having done everything that needs to be done in order to prepare for something:
Are you ready? The taxi’s here.
I don’t feel that I’m ready for the test yet.
prepared [not before noun] ready to deal with a situation, because you are expecting it or have made careful preparations:
The police were prepared for trouble.
The team looked well-prepared for the game.
be all set to be ready to start doing something that you have planned to do, and be just about to do it:
We were all set for a barbecue when it started to rain.
be good to go American English informal be ready to start doing something after completing all the necessary preparations:
We just need to get you a pair of skis and you’re good to go.
ripe ripe fruit are soft, sweet, and ready to eat:
Don’t pick the apples until they’re really ripe.
a delicious ripe plum
be in place if the arrangements or the equipment for doing something are in place, they are ready to start being used:
The television cameras were in place for the wedding.
All the arrangements are in place for a new constitution and democratic elections.
be standing by if people are standing by, they are ready to take action and help if they are needed – used especially about medical teams, police, the army etc:
Officers in full riot gear were standing by outside the police station.
Several ambulances were standing by.

[TahlilGaran] English Thesaurus ▲

all set
to be ready to begin, to be okay
Everything was all set when the meeting began.

[TahlilGaran] English Idioms Dictionary ▲

all set
adj. phr. Ready to start.
"Is the plane ready for take-off?" the bank president asked. "Yes, Sir," the pilot answered. "We're all set."

[TahlilGaran] English Idioms Dictionary ▲