verb

 

give permission to give someone permission for something

Smoking is not allowed in the restaurant.

 

not prevent to not prevent something from happening

They have allowed the problem to get much worse.

 

make possible to make it possible for someone to do something

The extra money will allow me to upgrade my computer.

 

time/money to plan to use a particular amount of money, time, etc for something

Allow three hours for the whole journey.