Origin: Latin suffix -al
Consequential has 2 different meanings across 1 category:
having important issues or results
"the year's only really consequential legislation"
"an eventful decision"
Following as a result.
"The earthquake caused significant damage, and consequently, many families were left without homes."
The word comes from Latin consequens, meaning "following," which entered English through the French suffix -ial. It originally described something that follows as a result or effect of another event.