increment
[noun]
Synonyms: increase, accrual, addition, advancement, augmentation, enlargement, gain, step up, supplement

[TahlilGaran] English Synonym Dictionary ▲

in‧cre‧ment /ˈɪŋkrəmənt, ˈɪŋkrɪmənt/ noun [countable]
[Date: 1400-1500; Language: Latin; Origin: incrementum, from increscere; ⇒ increase¹]

1. a regular increase in the amount of money someone is paid:
a salary of £18,000, with annual increments of 2.5%

2. formal the amount by which a number, value, or amount increases

[TahlilGaran] Dictionary of Contemporary English ▲