Synonyms for epoch-making

Synonyms for (adjective) epoch-making

Synonyms: epoch-making, epochal

Definition: highly significant or important especially bringing about or marking the beginning of a new development or era

Usage: epochal decisions made by Roosevelt and Churchill; an epoch-making discovery

Similar words: important, significant

Definition: important in effect or meaning

Usage: a significant change in tax laws; a significant change in the Constitution; a significant contribution; significant details; statistically significant