centralmotivation

noun
UK /ˈsɛntrəl ˌməʊtɪˈveɪʃən/
US /ˈsɛntrəl ˌmoʊtɪˈveɪʃən/

The main reason that makes someone want to do something.

Her centralmotivation for learning to cook was to make dinner for her family.


OTHER MEANINGS

2. The most important idea that keeps a story's character moving forward.

The centralmotivation of the hero was to find his lost sister.

3. The strongest reason behind a group's plan or project.

The team's centralmotivation was to build a playground for the neighborhood.

4. The deep wish that guides a person's everyday choices.

Curiosity is the centralmotivation behind all his questions.