Not plausible or believable
However for some reason, the more implausible a character, the more accepted it is in the soap opera world.
Actually there are quite a few things I found very implausible.
What cannot be denied is that they have carried forward the debate beyond the implausible alternatives to liberalism offered by 1980s communitarian thinkers.
Instead, young readers are fed a relentless diet of self-evident, unproved, implausible, and in some cases manifestly false propositions.
However, the consequences of an aging population make such cuts implausible.