material (substance of which something is made); matter (material things, things in general); matter; matter (that which is thought); content, matter (the thing in question)
matrix; matrix (rectangular arrangement of numbers or terms having various uses such as transforming coordinates in geometry, solving systems of linear equations in linear algebra and representing graphs in graph theory); womb, uterus
for something to have had a profound impact on a person, to have had one's worldview changed; to be under the influence of someone, to be indoctrinated; to be hooked on some activity (e.g. watching too much television)