believably

Adverbial believably has 2 senses

• believably(r = adv.all) - in a believable manner; "he acted believably sincere"
Antonyms: unbelievably, unbelievably

• believably(r = adv.all) credibly, plausibly, probably - easy to believe on the basis of available evidence; "he talked plausibly before the committee"; "he will probably win the election"