The action of setting or expressing a prevailing tone or essential idea. Now usually: the action of delivering a keynote speech at a conference, political meeting, etc.
Origin
Late 19th century; earliest use found in Treasury. From keynote + -ing.
Definition of keynoting in US English:
keynoting
nounˈkiːnəʊtɪŋ
The action of setting or expressing a prevailing tone or essential idea. Now usually: the action of delivering a keynote speech at a conference, political meeting, etc.
Origin
Late 19th century; earliest use found in Treasury. From keynote + -ing.