1. [n]  a message that departs from the main subject
2. [n]  a line spoken by an actor to the audience but not intended for others on the stage
3. [adv]  in reserve; not for immediate use; "started setting aside money to buy a car"; "put something by for her old age"; "has a nestegg tucked away for a rainy day"
4. [adv]  on or to one side; "step aside"; "stood aside to let him pass"; "threw the book aside"; "put her sewing aside when he entered"
5. [adv]  out of the way (especially away from one's thoughts); "brush the objections aside"; "pushed all doubts away"
6. [adv]  placed or kept separate and distinct as for a purpose; "had a feeling of being set apart"; "quality sets it apart"; "a day set aside for relaxing"
7. [adv]  in a different direction; "turn aside"; "turn away one's face"; "glanced away"
8. [adv]  not taken into account or excluded from consideration; "these problems apart, the country is doing well"; "all joking aside, I think you're crazy"

ASIDE is a 5 letter word that starts with A.

1. \A*side"\, adv. [Pref. a- + side.]
   1. On, or to, one side; out of a straight line, course, or
      direction; at a little distance from the rest; out of the
      way; apart.
            Thou shalt set aside that which is full. --2 Kings
                                                  iv. 4.
            But soft! but soft! aside: here comes the king.
                                                  --Shak.
            The flames were blown aside.          --Dryden.
   2. Out of one's thoughts; off; away; as, to put aside gloomy
      thoughts. ``Lay aside every weight.'' --Heb. xii. 1.
   3. So as to be heard by others; privately.
            Then lords and ladies spake aside.    --Sir W.
                                                  Scott.
   {To set aside} (Law), to annul or defeat the effect or
      operation of, by a subsequent decision of the same or of a
      superior tribunal; to declare of no authority; as, to set
      aside a verdict or a judgment.
   

2. \A*side"\, n.
   Something spoken aside; as, a remark made by a stageplayer
   which the other players are not supposed to hear.