IPA: /ˈprəʊvəblɪ/
KK: /ˈpro͞ovəblē/
In a way that can be proven or demonstrated to be true or valid.
The theory is provably correct based on the evidence provided.
Provably → It is formed from "prove" (from Latin "probare", meaning to test or demonstrate) and "-ably" (a suffix meaning in a manner that can be). The word "provably" means in a manner that can be demonstrated or tested.
Think of 'proving' something — 'prove' means to demonstrate, and '-ably' indicates the manner of doing it. So, provably means something can be demonstrated.