downshift

Short definition from Wiktionary

Noun

1. 1
   A change of direction or a movement downwards.
2. 2
   A reduction in quality or quantity.
3. 3
   A change in career or lifestyle to one which is not as well paid but less stressful and more personally rewarding.
4. 4
   A shift of a transmission into a lower gear, as dictated by heavier load on the engine, as for example when climbing a hill or strongly accelerating.

Verb

1. 1
   To reduce (something) in quality or quantity (as effect, scope, speed, etc.)
2. 2
   To change (one's career or lifestyle) to one which is not as well paid but less stressful and more personally rewarding.
3. 3
   To shift (a car or bicycle) into a lower gear.
4. 4
   To function at a lower rate; to slacken.
5. 5
   To change one's career or lifestyle to one which is not as well paid but less stressful and more personally rewarding.
6. 6
   To shift a transmission into a lower gear.