From WordNet (r) 3.0 (2006):
increase
n 1: a quantity that is added; "there was an addition to
property taxes this year"; "they recorded the cattle's gain
in weight over a period of weeks" [syn: addition,
increase, gain]
2: a change resulting in an increase; "the increase is scheduled
for next month" [ant: decrease, drop-off, lessening]
3: a process of becoming larger or longer or more numerous or
more important; "the increase in unemployment"; "the growth
of population" [syn: increase, increment, growth] [ant:
decrease, decrement]
4: the amount by which something increases; "they proposed an
increase of 15 percent in the fare" [syn: increase,
increment] [ant: decrease, decrement]
5: the act of increasing something; "he gave me an increase in
salary" [syn: increase, step-up] [ant: decrease,
diminution, reduction, step-down]
v 1: become bigger or greater in amount; "The amount of work
increased" [ant: decrease, diminish, fall, lessen]
2: make bigger or more; "The boss finally increased her salary";
"The university increased the number of students it admitted"
[ant: decrease, lessen, minify]