keynote

noun

1. the principal theme in a speech or literary work

Definition categories: communication, subject, theme, topic

2. a fundamental or central idea

Definition categories: thought, idea

3. (music) the first note of a diatonic scale

Similar word(s): tonic

Definition categories: communication, note, tone

verb

1. set the keynote of

- Comfort keynotes this designer's Fall collection

Definition categories: change, set

2. give the keynote address to (an audience)

Definition categories: communication, address, speak