commitment
n. C / Un. a promise to do something or a strong feeling that you should give your time and energy to a job, person, or goal. It shows you are serious about staying involved for a long time.
n. the state or quality of being dedicated to a cause or activity; a pledge or undertaking that restricts freedom of action. Often used to describe professional obligations or emotional loyalty in relationships.
She shows great commitment to her daily piano practice.
Taking on a mortgage is a huge financial commitment that usually lasts for twenty or thirty years.
The success of the peace treaty depends entirely on the genuine commitment of both parties to uphold the agreed-upon ceasefire despite historical grievances.
From commit + -ment.
Uncountable when referring to the abstract quality of dedication; countable when referring to specific tasks or obligations.