The need or reason for doing something: motivation To improve the amount or quality of something: boost When you have a positive opinion of someone or something: approval Admiration and respect you receive for your achievements: recognition A fact or situation which influences the result of something: factor Improvement made by adding something else: enrichment Something that helps produce or achieve something: contribution Money made after costs deducted: profit https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_green.swf