Collocations for plausible - adj.

be, seem, sound
make sth
find sth, think sth
He did not think it plausible that all the differences could be explained in this way.

extremely, highly, very
entirely, perfectly, quite
a perfectly plausible theory

equally
an equally plausible explanation

not remotely
There was no way the story could be made to sound even remotely plausible.

hardly
reasonably
superficially
intuitively
This view seems intuitively plausible and has a long history.

Plausible is used with these nouns:
answer, argument, excuse, explanation, hypothesis, interpretation, reason, scenario, story