ire ad, adire aliquem or ad aliquem, on any business, de aliqua re: aggredi aliquem, convenire aliquem (to go to anybody in order to beg, ask, etc., anything of him): appellare, compellare aliquem, about anything, de aliqua re (to speak to anybody with a request, etc.): vadere ad aliquem (to call on him, Cic.).