Wordnet 3.0
NOUN (3)
1. 
 the business of packing; 
- Example: "his business is packaging for transport"2. 
 a message issued in behalf of some product or cause or idea or person or institution; 
- Example: "the packaging of new ideas"[syn: promotion, publicity, promotional material, packaging]
3.  material used to make packages; 
WordNet (r) 3.0 (2006):
packaging
    n 1: the business of packing; "his business is packaging for
         transport"
    2: a message issued in behalf of some product or cause or idea
       or person or institution; "the packaging of new ideas" [syn:
       promotion, publicity, promotional material,
       packaging]
    3: material used to make packages