"keynote" in the noun sense

1. keynote

the principal theme in a speech or literary work

2. keynote

a fundamental or central idea

3. tonic, keynote

music) the first note of a diatonic scale

"keynote" in the verb sense

1. keynote

set the keynote of

"Comfort keynotes this designer's Fall collection"

2. keynote

give the keynote address to (an audience)

Source: WordNet® (An amazing lexical database of English)

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