Answer:

fathoms

Answer	Crossword Clue
FATHOMS	Grasps
FATHOMS	Understands
FATHOMS	Makes sense of

FATHOMS	Six-footers?
FATHOMS	Understands thoroughly.
FATHOMS	Sounds.
FATHOMS	Sea depths.
FATHOMS	Gets to the bottom of.
FATHOMS	Understands.
FATHOMS	Fully gets
FATHOMS	Fishfinder units

Crossword

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