whereupon

英[weərə'pɒn] 美[,wɛrə'pɑn]

1. closely following and in consequence of which;

"the Japanese refused to import U.S. made cellular phones whereupon the U.S. imposed strict tariffs on Japanese exports"

2. upon which;

"the rock whereupon she stood"

3. in consequence of which;

"this is a statement whereat the listeners may get angry"