v.
1.after a calculation, investigation, experiment, survey, or study
2.be careful or certain to do something
3.find out, learn, or determine with certainty, usually by making an inquiry or other effort
4.learn or discover with certainty
Idiom of the Day
incumbent upon (someone) to (do something)
necessary for someone to do something
It is incumbent upon the next mayor to try and do something about crime in the city.