As adverbs the difference between conceivably and plausibly
is that conceivably is in a conceivable manner, possibly while plausibly is in a plausible manner.
plausibly
English
Adverb
(
en adverb)
(manner) In a plausible manner.
- She lied plausibly , but the police suspected her anyway.
(modal) Not falsifiably, based on available facts and general knowledge.
- Plausibly , she said she'd been working at the time.
Antonyms
* implausibly