Source : WordNet®

flesh out
     v 1: make fat or plump; "We will plump out that poor starving
          child" [syn: {fatten}, {fat}, {fill out}, {plump}, {plump
          out}, {fatten out}, {fatten up}]
     2: add details, as to an account or idea; clarify the meaning
        of and discourse in a learned way, usually in writing;
        "She elaborated on the main ideas in her dissertation"
        [syn: {elaborate}, {lucubrate}, {expatiate}, {exposit}, {enlarge},
         {expand}, {expound}, {dilate}] [ant: {abridge}]
     3: become round, plump, or shapely; "The young woman is
        fleshing out" [syn: {round}, {fill out}]