Kaizen

Kaizen (rarely spelled kaizan or known as kaizenshiro meaning kaizen as a target) is a Japanese word meaning "change for the better."

Definitions

According to Managerial Accounting by Braun, Tietz (5th edition),

Kaizen. A Japanese word meaning "change for the better."

According to the ASME EMBOK,

Kaizan. Gradual, unending improvement and increasingly higher standards.