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Synonyms for Gain (same or very similar meaning)

WordNet sense 1 (a quantity that is added):
addition, increase, increase

WordNet sense 2 (the advantageous quality of being beneficial):
profit

WordNet sense 3 (the amount of increase in signal power or voltage or current expressed as the ratio of output to input):
amplification

WordNet sense 4 (obtain):
derive

WordNet sense 5 (derive a benefit from):
benefit

WordNet sense 6 (earn on some commercial or business transaction; earn as salary or wages):
clear, earn, make, realize, realise, bring in, pull in, take in

WordNet sense 7 (win something through one's efforts):
acquire, win

WordNet sense 8 (reach a destination, either real or abstract):
attain, hit, reach, arrive at

WordNet sense 9 (obtain advantages, such as points, etc.):
advance, gain ground, make headway, pull ahead, get ahead

WordNet sense 10 (increase (one's body weight)):
put on


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