Read __; study about
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
upon
(Other definitions for upon that I've seen before include "Thereafter" , ".... my word! I'm shocked" , "In contact with" , "At a prescribed point in time" , "Abreast of, au fait with" .)
I believe the answer is:
upon
(Other definitions for upon that I've seen before include "Thereafter" , ".... my word! I'm shocked" , "In contact with" , "At a prescribed point in time" , "Abreast of, au fait with" .)