Related Clues:

• Prepare for the worst
• Grow accustomed (to)
• Make used (to)
• Harden, in a way
• Become accustomed
• A way to habituate
• Toughen or harden
• Indurate
• Turn bone-hard
• Habituate (to)
• Naturalize
• Harden into bone
• Become used (to)
• Acclimatize
• Grow accustomed to