play a part

Also found in: Idioms.
References in classic literature ?
But when he comes to a character which is unworthy of him, he will not make a study of that; he will disdain such a person, and will assume his likeness, if at all, for a moment only when he is performing some good action; at other times he will be ashamed to play a part which he has never practised, nor will he like to fashion and frame himself after the baser models; he feels the employment of such an art, unless in jest, to be beneath him, and his mind revolts at it.
Which team the Angels play in the ALDS could play a part in which pitchers they decide to start in Games 3 and 4.
To varying degrees, these factors would play a part in the final buying decision.