Definition: Definition: To bring or add to something; to give substance or life to. For example: 1. The trial was a matter of adding to the already considerable evidence against him. 2. I had to add more material, but it didn't work out as planned, and it added to my frustration. Note: Adduced does not include the fact that the party who is called upon by an opposing side has made a statement in support of his position or argument.