From WordNet (r) 3.0 (2006):
matter
n 1: a vaguely specified concern; "several matters to attend
to"; "it is none of your affair"; "things are going well"
[syn: matter, affair, thing]
2: some situation or event that is thought about; "he kept
drifting off the topic"; "he had been thinking about the
subject for several years"; "it is a matter for the police"
[syn: topic, subject, issue, matter]
3: that which has mass and occupies space; "physicists study
both the nature of matter and the forces which govern it"
4: a problem; "is anything the matter?"
5: (used with negation) having consequence; "they were friends
and it was no matter who won the games"
6: written works (especially in books or magazines); "he always
took some reading matter with him on the plane"
v 1: have weight; have import, carry weight; "It does not matter
much" [syn: count, matter, weigh]