exposit

from WordNet (r) 3.0 (2006)

exposit
    v 1: state; "set forth one's reasons" [syn: {set forth},
         {expound}, {exposit}]
    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},
       {flesh out}, {expand}, {expound}, {dilate}] [ant:
       {abbreviate}, {abridge}, {contract}, {cut}, {foreshorten},
       {reduce}, {shorten}]

from The Collaborative International Dictionary of English v.0.48

exposit \exposit\ v.
   1. to set forth reasons; to explain or expound.
      [WordNet 1.5]

   2. to make external.

   Syn: externalize, externalise.
        [WordNet 1.5]