plausible

US /ˈplɑː.zə.bəl/

UK /ˈplɑː.zə.bəl/

1.

(of an argument or statement) seeming reasonable or probable.

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a plausible explanation

:

credible reasonable believable likely feasible probable tenable possible conceivable imaginable convincing persuasive cogent sound rational logical acceptable thinkable smooth-talking smooth glib specious colorable

:

unlikely improbable