What are the best answers for “in an obvious and provable manner”?

demonstrably, incontrovertibly, provably.

How many letters does the top answer for “in an obvious and provable manner” have?

The most common answer is demonstrably (12 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

demonstrably 12 letters wn-def

in an obvious and provable manner

incontrovertibly 16 letters wn-def

in an obvious and provable manner

provably 8 letters wn-def

in an obvious and provable manner