be on to (something)

To discover, realize, or be in the process of doing something of great importance, value, or insight. Great work on this essay, Lindsay. I really think you're on to something here. Scientists now believe they may be on to a cure for cancer.

Common Names:

Name	Pronounced	Usage
Martha	MAHR-thə (English)	English, Swedish, Norwegian, Danish, Dutch, German, Greek, Biblical, Old Church Slavic, Biblical Lat
Olov	OL-ov	Swedish
Dragutin	-	Serbian, Croatian, Slovene, Medieval Slavic
GÖKsu	-	Turkish
Ermintrude	-	English (Archaic)
Nunziatina	-	Italian