1. [n]  the activity of making portraits
2. [n]  a word picture of a person's appearance and character

Portraiture
Description not available.

more details ...

1. \Por"trai*ture\ (?; 135), n. [F. portraiture.]
   1. A portrait; a likeness; a painted resemblance; hence, that
      which is copied from some example or model.
            For, by the image of my cause, I see The portraiture
            of his.                               --Shak.
            Divinity maketh the love of ourselves the pattern;
            the love of our neighbors but the portraiture.
                                                  --Bacon.
   2. Pictures, collectively; painting. [Obs.] --Chaucer.
   3. The art or practice of making portraits. --Walpole.
   

2. \Por"trai*ture\, v. t.
   To represent by a portrait, or as by a portrait; to portray.
   [R.] --Shaftesbury.