believably
1. [ adverb ] in a believable manner
Examples:

"he acted believably sincere"

Related terms: incredibly unbelievably credible credible
2. [ adverb ] easy to believe on the basis of available evidence
Synonyms: plausibly probably credibly
Examples:

"he talked plausibly before the committee" "he will probably win the election"

Related terms: incredibly probable plausible credible credible probable plausible credible
Similar spelling:   believable
  believability