optimistically

Từ điển Oxford Advanced Learner 8th

op·ti·mis·tic·al·ly BrE [ˌɒptɪˈmɪstɪkli] ; NAmE [ˌɑːptɪˈmɪstɪkli] adverb
•He spoke optimistically about better relations between the two countries.
Main entry: ↑optimistic_derived