Which of the following words is closest in meaning to “Stimulate”?

Stimulate means to arouse or encourage.

• Correct answer - instigate: it has the same meaning as Stimulate.
• disguise: a change of appearance to hide identity - wrong, it does not mean the same as Stimulate.
• oppress: to treat harshly and unjustly - wrong, it does not mean the same as Stimulate.
• seduce: to tempt into something - wrong, it does not mean the same as Stimulate.