1) Appreciatory 2) Discriminating 3) Grateful 4) Positive 5) Sympathetic 6) Thankful 1) Approving 2) Complimentary 3) Deferential 4) Favourable 5) Flattering 6) Grateful 7) Pleased 8) Positive 9) Sympathetic 10) Thankful 
• (a.) Having or showing a just or ready appreciation or perception; as, an appreciative audience.
Ap·pre'ci·a·tive adjective Having or showing a just or ready appreciation or perception; as, an appreciative audience. -- 
[adj] - feeling or expressive of gratitude 2. [adj] - having or showing appreciation or a favorable critical judgment or opinion
adjective having or showing appreciation or a favorable critical judgment or opinion; `appreciative of a beautiful landscape`; `an appreciative laugh from the audience`
feeling or showing appreciation: an appreciative audience at the concert.