Consequential

Full definition of consequential

Adjective

1. following as a result
2. having significant consequences; of importance
3. something which is important or significant
4. someone who is self-important
• 1919, Lord Frederic Hamilton, The Vanished Pomps of Yesterday, He was a very short, fat little man, with immensely long grey side-whiskers, and a most consequential manner.

Synonyms

• considerable
• important

Antonyms

• inconsequential