speak on

speak (up)on something

to talk about a particular topic. (Upon is formal and less commonly used than on.) This evening, I will speak upon the subject of Plato's thoughts on the universe. What will you speak on today?

Common Names:

Name	Pronounced	Usage
Esperanza	es-pe-RAHN-thah (Spanish), es-pe-RAHN-sah (Latin American Spanish)	Spanish
Olayinka	-	Western African, Yoruba
Halvor	-	Norwegian
Senka	-	Serbian, Croatian
Eevi	E:-vee	Finnish
Valentino	vah-len-TEE-no	Italian