Answer:

enduring

Answer	Crossword Clue
ENDURING	Standing the gaff
ENDURING	Permanent
ENDURING	Timeless

ENDURING	For the ages
ENDURING	Remaining firm.
ENDURING	Not ephemeral.
ENDURING	Like "Ol' Man River"

Crossword

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