Synonyms: about, after, concerning, for, of, over, regarding, upon, with, in, as to, into, toward
Insist on obedience!
I wish to speak with the princess on a private affair.
We are agreed on the principles.
Designing object‐oriented systems is a complex topic, and many books have been written on it.
I will hear no more on the subject.
He has regularly argued that other countries have been “taking advantage of” the US on trade for decades.
On that she has failed.
There is a summit on Wednesday when all EU states will vote on an extension.
He was concentrating on following Egwene’s slender shape.