What is the meaning of according?

verb

• Go together.
  • usage: "The colors don't harmonize"; "Their ideas concorded"
  • synonyms: harmonize, harmonise, consort, accord, concord, fit in, agree
• Allow to have.
  • usage: "grant a privilege"
  • synonyms: accord, allot, grant

adjective

• Followed by `to'. ( in agreement with or accordant with)
  • usage: "according to instructions"
• Followed by `to'. ( as reported or stated by)
  • usage: "according to historians"