Synonyms of keynote in English:

keynote


See US English definition of keynote

See UK English definition of keynote

See Spanish definition of tónica

noun

1‘the keynote of the paper was ‘positive planning’’

SYNONYMS
theme, salient point, point, gist, substance, burden, tenor, heart of the matter, pith, marrow, topic, policy line
essence, heart, core, basis, essential element, essential feature, defining characteristic, centre, kernel, nucleus