plausible (adjective) – seems to be true, reasonable
plausibly (adverb) – in a way that seems to be true, reasonable
plausibility (noun) – something that seems to be true or reasonable
The opposites are: implausible, implausibly, implausibility.
Here are some examples of how you can use plausible:
Real gold? That doesn’t seem plausible.
That there is life on one of the recently discovered planets sounds plausible enough.
I’m sorry but your little sister eating your homework is an implausible excuse.
Hm, that sounds like an implausible explanation.
The little kid hoped, implausibly, that he’d stop growing from his 9th birthday.
She had put the keys, rather implausibly, behind her ears.
The plausibility of her story doesn’t seem very high.
I was struck (= surprised) by the implausibility of the combination of pink socks and yellow shoes.