1. In tune; accurate in pitch
   - true

See also: harmonious

• infomercial
• inform
• informal
• informality
• informally
• informant
• informatics
• information
• information age
• information bulletin
• information gathering
• information measure
• information processing
• information processing system
• information return
• information science
• information superhighway
• information system
• information technology
• information theory
• information warfare
• informational
• informational RNA
• informative
• informatively