attune /ə-tūnˈ or (US) -toonˈ/

1. To put in tune
2. To make (one's voice, song, etc) tuneful
3. To make (something) harmonize or accord
4. To accustom or acclimatize

• hardware
• hardwareman
• hardwaremen
• hardwares
• hard-wearing
• hard wheat
• hardwire
• hard-wired
• hard-won
• hardwood
• hardwoods
• hard words
• hardworking
• hardy
• hardy annual
• hardy annuals
• Hardy-Weinberg Law
• hare
• hare and hounds
• harebell
• harebells
• hare-brained
• hared
• hareem
• hareems