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

• sharp-edged
• Shar-Pei
• sharpen
• sharpened
• sharpener
• sharpeners
• sharpening
• sharpens
• sharper
• sharpers
• sharpest
• sharp-eyed
• sharp-ground
• sharpie
• sharpies
• sharping
• sharpings
• sharpish
• sharp-looking
• sharply
• sharpness
• sharpnesses
• sharp-nosed
• sharp-pointed
• sharp practice