Synonyms for important
crucial (vital, critical, quite important
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significant (substantial, meaningful, momentous
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major
influential
strong
See all synonyms for importantSynonyms for reason
why (occasion, ground,
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cause
explanation (argument, rationale, justification
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mind (sense, understanding, intellect
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motive
excuse
argue
account
rationality
causation
wherefore
See all synonyms for reason