Melt Into Meaning

(transitive, idiomatic) To disappear into.

Example: 2004 April 11, Ron Feinberg, “CLIMBING MASADA”, Atlanta Journal Constitution:
  The Roman Empire has melted into history.
2005 October 1, Jennifer Eccleston[1], CNN_LiveSat:
  Either they melted into society or they swept through to there [sic] villages
2006, Jacquie D'Alessandro, Never a lady:
  "The spirits are calling, I must go," she said to Lady Miranda, then executed a quick turn and melted into the crowd with an expertise born of years of practice.
2008 July 17, Sabrina Tavernise and Richard A. Oppel Jr., “Foreign Desk”, New York Times:
  A tough Iraqi general, a former special operations officer with a baritone voice and a barrel chest, melted into smiles when asked about Senator Barack Obama.