Source : Webster's Revised Unabridged Dictionary (1913)

Commingle \Com*min"gle\, v. t. & i. [imp. & p. p. {Commingled};
   p. pr. & vb. n. {Commingling}.]
   To mingle together; to mix in one mass, or intimately; to
   blend. --Bacon.

Source : WordNet®

commingle
     v 1: mix or blend; "His book commingles sarcasm and sadness"
     2: mix together different elements; "The colors blend well"
        [syn: {blend}, {flux}, {mix}, {conflate}, {immix}, {fuse},
         {coalesce}, {meld}, {combine}, {merge}]