Definitions of fairly:

• adverb:   in a fair evenhanded manner

  Example: "Deal fairly with one another"

• adverb:   in conformity with the rules or laws and without fraud or cheating

  Example: "They played fairly"

• adverb:   to a moderately sufficient extent or degree

  Example: "He is fairly clever with computers"

• name:  A surname (very rare: popularity rank in the U.S.: #85318)