A more PLAUSIBLE explanation is that his
work in robotics has made an amazing leap.
The Big Bang Theory Season 1, Episode 4
...it is completely PLAUSIBLE that we would
have talked him into leaving the motel...
The Big Bang Theory Season 1, Episode 10
...it's actually extremely PLAUSIBLE.
The Big Bang Theory Season 4, Episode 6
...would you have found it PLAUSIBLE?
The Big Bang Theory Season 4, Episode 6
...you maintain PLAUSIBLE deniability.
Breaking Bad Season 3, Episode 12