Related Clues:

• Acclimatize
• Modify to fit
• Adjust to something new
• Adjust to change
• Adjust as you must
• Avoid extinction, say
• Refit
• Adjust to a new situation
• Change to suit a new purpose
• Acclimate
• Demonstrate flexibility
• Blend in
• Change, evolutionarily
• Keep up with the times
• Become acclimatized