Answer:

smoother

Answer	Crossword Clue
SMOOTHER	Comparatively polished
SMOOTHER	Less bumpy
SMOOTHER	Trowel, for instance

SMOOTHER	With fewer wrinkles.
SMOOTHER	Not so jarring
SMOOTHER	More polished
SMOOTHER	Not so bumpy
SMOOTHER	Not so awkward

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.