Constructive

a.
  1. Having ability to construct or form; employed in construction; as, to exhibit constructive power.
  2. Derived from, or depending on, construction, inference, or interpretation; not directly expressed, but inferred.
  3. helpful; promoting improvement; intended to help; as, constructive criticism; constructive suggestions. Contrasted with destructive.
    4. Constructive crimes (Law),
    acts having effects analogous to those of some statutory or common law crimes; as, constructive treason. Constructive crimes are no longer recognized by the courts.
    Constructive notice ,
    notice imputed by construction of law.
    Constructive trust ,
    a trust which may be assumed to exist, though no actual mention of it be made.