cooed

Example:He murmured soothing words into her ear as she drifted off to sleep.

Definition:To make a low, soft, continuous sound, typically expressing contentment or affection.

Example:She whispered sweet, romantic phrases that made his heart flutter.

Definition:To speak almost inaudibly, softly and in an intimate or tender manner.

Example:He sighed contentedly, the woman's presence making everything better.

Definition:To breathe out a soft, often long exhalation, often indicating contentment or longing.