appreciation [appreciations](a just valuation or estimate of merit, worth, weight, etc.; recognition of excellence) noun [UK: ə.ˌpriːʃ.i.ˈeɪʃ.n̩] [US: ə.ˌpriːʃ.i.ˈeɪʃ.n̩]
gratitude(state of being grateful) noun [UK: ˈɡræ.tɪ.tjuːd] [US: ˈɡræ.tə.ˌtuːd]