鼓舞gǔ wǔto inspire; to encourage; to hearten; to boost (morale)
鼓吹gǔ chuīto agitate for; to enthusiastically promote
鼓動gǔ dòngto urge (an activity that may be beneficial, harmful or neutral); to encourage; to agitate; to instigate; to incite; to beat; to flap (wings, a fan etc)