Answer:

ENURE

Answer	Crossword Clue
ENURE	Harden
ENURE	Accustom
ENURE	Harden (var.)

ENURE	Get used to (var.)
ENURE	Accustom, variantly
ENURE	Get hardened
ENURE	Habituate
ENURE	Habituate (var.)
ENURE	Accustom (var.)
ENURE	Make used (to)
ENURE	Toughen

ENURE	Make immune, as to violence
ENURE	Accustom (to)
ENURE	Toughen by exposure
ENURE	Develop thick skin (var.)
ENURE	Accustom to
ENURE	Get used (to)
ENURE	Accustom to hardship
ENURE	Habituate: var.

ENURE	Become accustomed to
ENURE	Harden (to)
ENURE	Become accustomed (to)
ENURE	Toughen (to)
ENURE	Get accustomed to
ENURE	Adapt to rigors
ENURE	Become accustomed
ENURE	Come into operation.

ENURE	Have effect.
ENURE	Accustom.
ENURE	Habituate.
ENURE	Harden; habituate.
ENURE	Accustom: Var.
ENURE	Harden.
ENURE	Take effect.
ENURE	Come into use.

ENURE	Pass into use: Var.
ENURE	Put into practice: Var.
ENURE	Toughen.
ENURE	Habituate: Var.
ENURE	Become of advantage: Var.

Crossword

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