n. A flowing together; specifically, the meeting or junction of two or more streams of water or other fluids; also, the place of meeting: as, the confluence of the Ohio and the Mississippi: often used figuratively.n. A running together of people; an assemblage; a throng; a concourse.n. In philoh., the tending toward accordance, or the becoming similar or accordant in form: said of words.n. In psychology, the mutual assimilation of mental processes set up by adjacent stimuli: opposed to contrast.