• 勧すすめる — to recommend; to urge
• 勧告かんこく — recommendation; warning; advice
• 勧誘かんゆう — solicitation; canvassing; invitation
• 勧奨かんしょう — encouragement; promotion
• 保険勧誘ほけんかんゆう — insurance solicitation
• 勧善懲悪かんぜんちょうあく — encourage good and punish evil

The character blends the power idea of 力 with a component that carries a sound-and-urge feel. Picture using strength and words to nudge someone forward — that’s the core of “recommend / encourage.”