Synonyms: significant, substantial
Definition: fairly large
Usage: won by a substantial margin
Similar words: considerable
Definition: large or relatively large in number or amount or extent or degree
Usage: a considerable quantity; the economy was a considerable issue in the campaign; went to considerable trouble for us; spent a considerable amount of time on the problem
Synonyms: meaning, significant, pregnant
Definition: rich in significance or implication
Usage: a meaning look
Similar words: meaningful
Definition: having a meaning or purpose
Usage: a meaningful explanation; a meaningful discussion; a meaningful pause
Synonyms: 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
Similar words: momentous
Definition: of very great significance
Usage: deciding to drop the atom bomb was a very big decision; a momentous event
Similar words: 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: world-shaking, world-shattering, earthshaking
Definition: sufficiently significant to affect the whole world
Usage: earthshaking proposals; the contest was no world-shaking affair; the conversation...could hardly be called world-shattering
Similar words: evidential, evidentiary
Definition: serving as or based on evidence
Usage: evidential signs of a forced entry; its evidentiary value
Similar words: fundamental, profound
Definition: far-reaching and thoroughgoing in effect especially on the nature of something
Usage: the fundamental revolution in human values that has occurred; the book underwent fundamental changes; committed the fundamental error of confusing spending with extravagance; profound social changes
Similar words: large
Definition: fairly large or important in effect; influential
Usage: played a large role in the negotiations
Similar words: monumental
Definition: of outstanding significance
Usage: Einstein's monumental contributions to physics
Similar words: noteworthy, remarkable
Definition: worthy of notice
Usage: a noteworthy fact is that her students rarely complain; a remarkable achievement
Similar words: probative, probatory
Definition: tending to prove a particular proposition or to persuade you of the truth of an allegation
Usage: evidence should only be excluded if its probative value was outweighed by its prejudicial effect
Similar words: operative
Definition: effective; producing a desired effect
Usage: the operative word
Similar words: prodigious, portentous
Definition: of momentous or ominous significance
Usage: such a portentous...monster raised all my curiosity- Herman Melville; a prodigious vision