Hipnotiza means "hypnotizes." It's a captivating verb that goes beyond simply liking someone, suggesting a powerful, almost magical pull.
In the song, the lyrics state, "La que a mi me domina y me hipnotiza su querer" (The one who dominates me and whose love hypnotizes me). This word beautifully conveys the intense, almost trance-like effect the woman's affection has on the singer, making it a memorable and enticing choice.
Have you ever been so in love with someone that you can't imagine life without them, but you're too scared to say it? That's the heart of "Una Linda Mujer." The singer is completely captivated by a beautiful woman whose personality has him hypnotized. He feels she has totally changed his life and that her heart belongs to him and him alone. He's convinced they are "uno para el otro" (made for each other).
The only problem is, he can't bring himself to confess his feelings! He's frustrated, wondering why he can't just tell her, "I love you and I like you a lot." He worries she might never see him romantically. After a night of dancing where he stole a kiss, he realizes he can't just be friends anymore. The song captures that urgent feeling of needing to risk it all and tell the truth before it's too late.