1. singing a lullaby to; soothing someone (especially a baby) to sleep with a gentle song or soft sounds
Usage: present participle of 'lullaby'; commonly used with babies and young children
2. calming or quieting someone into a false sense of security; lulling into complacency
Usage: figurative use; often implies deception or false reassurance

Examples

• She spent the evening lullabying her newborn daughter with soft melodies.
• The mother was lullabying the fussy infant until he finally fell asleep.
• The government was accused of lullabying the public into ignoring the crisis.
• He kept lullabying himself with false promises that everything would be fine.
• The gentle music was lullabying the entire room into a peaceful state.
• She had a gift for lullabying even the most restless babies.