to force someone to do something, or to make it necessary for someone to do something
The law obliges companies to pay decent wages to their employees.
The law does not obligate sellers to accept the highest offer.
The contract obliges the parties to fulfill their respective responsibilities.
Social etiquette may oblige us to express gratitude for kind gestures.
The law may oblige individuals to pay taxes on their income.
Common courtesy often obliges people to hold the door for those behind them.
