IPA: /ˈplɔːzəblɪ/
KK: /ˈplɔːzəblɪ/
In a way that seems reasonable or likely to be true based on the information available.
She explained her theory plausibly, making it easy for others to understand.
Plausibly → It is formed from "plausibilis" (from Latin, meaning worthy of applause or approval) and the suffix "-ly" (meaning in a manner of). The word "plausibly" means in a manner that is worthy of approval or seems reasonable.
Think of something that is 'worthy of approval' — that's what 'plausibly' means when you say something seems reasonable.