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leaven

see definition of leaven
  • verbferment
  • verbinfluence
  • verbraise
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Synonyms for leaven

verb ferment
  • lighten
  • raise
  • pepsinate

ferment

noun. substance causing chemicals to split into simpler substances
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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