appreciative
adjective uk/əˈpriː.ʃə.tɪv/ us/əˈpriː.ʃə.t̬ɪv/
有鉴赏力的;感激的
showing that you understand how good something is, or are grateful for something
It's nice to have an appreciative audience. 给有欣赏力的观众表演感觉很好。
I'm very appreciative of all the support you've given me. 你一直那么支持我，我非常感激。