audit

noun

• an official inspection of an individual’s or organization’s accounts, typically by an independent body.
• a systematic review or assessment of something:a complete audit of flora and fauna at the site

verb (audits, auditing, audited)

• 1conduct an official financial examination of (an individual’s or organization’s accounts):companies must have their accounts audited
• conduct a systematic review of:auditing obstetrical and neonatal care

• 2North American attend (a class) informally, not for academic credit.