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}, {gain}]
     2: a change resulting in an increase; "the increase is
        scheduled for next month" [ant: {decrease}]
     3: a process of becoming larger or longer or more numerous or
        more important; "the increase in unemployment"; "the
        growth of population" [syn: {increment}, {growth}] [ant: {decrease},
         {decrease}]
     4: the amount by which something increases; "they proposed an
        increase of 15 percent in the fare" [syn: {increment}]
        [ant: {decrease}]
     5: the act of increasing something; "he gave me an increase in
        salary" [syn: {step-up}] [ant: {decrease}]
     v 1: become bigger or greater in amount; "The amount of work
          increased" [ant: {decrease}]
     2: make bigger or more; "The boss finally increased her
        salary"; "The university increased the number of students
        it admitted" [ant: {decrease}]
Source: WordNet® 2.0