1.
raise, increase, hike
An increase in a rate, price, level, or standard. Commonly used for wages, taxes, interest rates, and similar numerical values.
2.
withdrawal, pullout, repatriation
The act of pulling back or withdrawing, especially troops from a position or people returning from overseas. Also used for the postwar repatriation of Japanese civilians and soldiers.
Usage
Sense 1 is common in economic and business contexts. The opposite is 引き下げ (reduction, cut). Sense 2 has strong historical associations with the postwar repatriation of Japanese from former colonies and occupied territories. People who were repatriated are called 引揚者.