Ad·vo·cate v. t. [imp. & p. p. Advocated p. pr. & vb. n. Advocating ] To plead in favor of; to defend by argument, before a tribunal or the public; to support, vindicate, or recommend publicly.
To advocate the cause of thy client. --Bp. Sanderson (1624).
This is the only thing distinct and sensible, that has been advocated. --Burke.
Eminent orators were engaged to advocate his cause. --Mitford.