principal idea
Synonyms for principal
main (primary, key, central
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chief (head, director, rector
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school principal (headmaster, head master, headmistress
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leading
lead
head teacher
greatest
basic (fundamental, principle, core
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principal sum
overriding
See all synonyms for principalSynonyms for idea
concept (notion, meaning, conception
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thing (mind, point, theme
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plan
impression
presentation (message, representation, performance
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See all synonyms for idea