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

attuneˈment noun

• reassured
• reassurer
• reassurers
• reassures
• reassuring
• reassuringly
• reast
• reasted
• reastier
• reastiest
• reastiness
• reastinesses
• reasting
• reasts
• reasty
• reata
• reatas
• reate
• reates
• reattach
• reattached
• reattaches
• reattaching
• parget
• pargeted