資料來源 : pyDict

正直地;當然地

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Rightfully \Right"ful*ly\, adv.
   According to right or justice.

資料來源 : WordNet®

rightfully
     adv : by right; "baseball rightfully is the nation's pastime"
           [syn: {truly}]