We have listed below few popular one word compliment that helps you to compliment your friends your love or anyone close to your heart .

•  Nice, smart, funny, brave, outgoing, friendly, pleasant, confident, beautiful, cheerful, intelligent, gracious, kind, honest, trustworthy, helpful, creative, musical, generous, grateful, entertaining.
• Sweet, comical, amusing, entertaining, brilliant, sociable, enjoyable, pleasing, outgoing, happy, humorous, jolly, nice, witty, cute, joyful, radiant, kind, gracious, generous, personable, engaging,
• Lovable, loving, precious, giving, talented, lively, bright, trendy, intelligent, energetic, active, bold, understanding, brave, determined, responsible, wise.

I think above words are not enough to compliment your close one. we need more words  so help us using below comment section.