smooth
US /smuːð/
UK /smuːð/

1.
2.
free from difficulties or problems
:
•
The transition to the new system was very smooth.
•
We hope for a smooth journey without any delays.
1.
2.
make (a difficulty or problem) less severe or problematic
:
•
We need to smooth over the differences between the two teams.
•
He tried to smooth things over after the argument.
1.
in a smooth manner; without difficulty or problems
:
•
The car glided smoothly down the road.
•
Everything went smoothly during the presentation.