mo·ti·va·tion
ˌmōdəˈvāSH(ə)n/
noun
  1. the reason or reasons one has for acting or behaving in a particular way.
    “escape can be a strong motivation for travel”
    synonyms: motive, motivating force, incentivestimulusstimulationinspirationinducementincitementspurreason;

    informalcarrot
    “his motivation was financial”
    • the general desire or willingness of someone to do something.
      “keep staff up to date and maintain interest and motivation”
      synonyms: enthusiasmdriveambitioninitiativedeterminationenterprise;

      informalget-up-and-go
      “keep up the staff’s motivation”