1. makes or becomes smooth by removing roughness, wrinkles, or irregularities
Usage: third person singular present tense of ‘smooth’
2. makes easier or less difficult; removes problems or obstacles
Usage: often used with ‘out’ or ‘over’

Examples

• She smooths the wrinkles from her dress before the meeting.
• The iron smooths out all the creases in the fabric.
• He smooths the sand with a rake before building the sandcastle.
• The manager smooths over conflicts between team members.
• Regular maintenance smooths the operation of the machinery.
• The diplomat smooths relations between the two countries.