Synthetic : (of a substance) made by chemical synthesis, especially to imitate a natural product. Cosmetic : relating to treatment intended to restore or improve a person's appearance. Plastic : a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be moulded into shape while soft, and then set into a rigid or slightly elastic form. Affable : friendly, good-natured, or easy to talk to. Natural : existing in or derived from nature; not made or caused by humankind.