motivate(v = verb.creation) actuate, incite, move, prompt, propel - give an incentive for action; "This moved me to sacrifice my career"
is one way to cause, do, make
Derived forms noun motivation₁, noun motivation₃, noun motivation₂, adjective motivative₁, noun motivator₁, noun motive₁
Sample sentences: They motivate him to write the letter

   To provide with a motive; to move; impel; induce; incite. William James. [Webster 1913 Suppl.]

motivate, v.tr.
1 supply a motive to; be the motive of.
2 cause (a person) to act in a particular way.
3 stimulate the interest of (a person in an activity).

Derivative:
motivation n. motivational adj. motivationally adv.