- to refer a state of being ready for an event
- to be prepared for an occurrence
- for something to be finished or to refer to a situation that has been handled
- After putting the luggage in the trunk, we were all set to go on our vacation.
- John put on his helmet and he was all set for the motorcycle race.
- The mechanic finished working on the engine and informed us we were all set to continue on our trip.
- After signing out his personal effects, Matt was all set to leave the prison as a free man.
- Everyone put on their best dresses and were all set to attend the wedding of the year.
- With her hair in place and the beautiful dress she had on, Cassidy was all set to go on her date with Adam
This phrase originated from the old military practices. During wars where cannons are used, the cannons are usually set in place, ready to be fired. When it was ready or when they have all been placed, they were said to be all set, and so this is where the phrase originated from.