appreciatively
adverb /əˈpriːʃətɪvli/
  /əˈpriːʃətɪvli/
- in a way that shows that you are grateful for something or are enjoying something
- She took the cup of hot tea appreciatively.
 - He laughed appreciatively.
 
Oxford Collocations DictionaryAppreciatively is used with these verbs:- murmur
 - nod
 - sniff
 - …