the act of committing, doing, or performing; the act of perpetrating.-the act of intrusting; a charge; instructions as to how a trust shall be executed.-the duty or employment intrusted to any person or persons; a trust; a charge.-a formal written warrant or authority, granting certain powers or privileges and authorizing or commanding the performance of certain duties.-a certificate conferring military or naval rank and authority; as, a colonel's commission.-a company of persons joined in the performance of some duty or the execution of some trust; as, the interstate commerce commission.-the acting under authority of, or on account of, another.-the thing to be done as agent for another; as, i have three commissions for the city.-the brokerage or allowance made to a factor or agent for transacting business for another; as, a commission of ten per cent on sales. see del credere.-to give a commission to; to furnish with a commission; to empower or authorize; as, to commission persons to perform certain acts; to commission an officer.-to send out with a charge or commission.