›[C or U]COMMERCEa payment to someone who sells homes, products, investments, etc., which is directly related to the amount they sell, or the practice of receiving these payments: make/pay/receive a commissionThe airline agreed to pay travel agents a 3% commission.His monthly salary, which is based on commissions, has dropped from about $7,000 to $1,000.be on commissionPeople often work harder when they're on commission.
›[C](alsoCommission)GOVERNMENTa group of people who have been officially chosen to examine a problem and advise on the best action to take: appoint/create/establish/set up a commissionCongress appointed a commission to investigate the causes of the financial crisis.
›[C](alsoCommission)GOVERNMENTan official organization whose job is to manage a particular activity, suggest laws relating to the activity, and make certain that laws are obeyed: communications/energy/planning, etc. commissionThe Energy Commission announced rules that bar municipal utilities from signing new contracts with coal-fired power plants.
›COMMERCEa request to do a particular piece of work for someone: accept/get/receive a commissionWhen he was 19, he got a commission to write an orchestra piece.