Hastening or forward; hence, tending to further or promote a proposed object; fit or proper under the circumstances; conducive to self-interest; desirable; advisable; advantageous; -- sometimes contradistinguished from right.
That which serves to promote or advance; suitable means to accomplish an end.
All of us knows, not what is expedient, not what is going to make us popular, not what the policy is, or the company policy - but in truth each of us knows what is the right thing to do. And that's how I am guided. Maya Angelou
A free America... means just this: individual freedom for all, rich or poor, or else this system of government we call democracy is only an expedient to enslave man to the machine and make him like it. Frank Lloyd Wright