English to English

verb (v)

• make simpler or easier or reduce in complexity or extent(verb.change)

  Example:
  We had to simplify the instructions.
  This move will simplify our lives.
  

  Antonym:
  complicate, perplex
  

  source: wordnet30
• To make simple; to make less complex; to make clear by giving the explanation for; to show an easier or shorter process for doing or making.(verb)

  source: webster1913