Adjust (verb)

1. Change slightly in order to make something fit or work better.
2. Make small changes to the position, level, or amount of something.
3. Adapt or become accustomed to a new situation or condition.

Origin:

Late middle english (in the sense "make suitable"): from old french ajuster, based on latin ad- "to" + jus, justus "right, just".

Examples:

1. He adjusted his glasses and continued reading.
2. We had to adjust the timing of the meeting.
3. The company had to adjust its prices to stay competitive.
4. She is still trying to adjust to the new time zone.
5. He adjusted the temperature on the thermostat.