Definitions of mingle:

• verb:   get involved or mixed-up with

  Example: "He was about to mingle in an unpleasant affair"

• verb:   be all mixed up or jumbled together
• verb:   to bring or combine together or with something else

  Example: "Resourcefully he mingled music and dance"

• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #16066)