1. Receive substitution of an acetyl group
   - acetylate, acetylize 
2. Introduce an acetyl group into (a chemical compound)
   - acetylate, acetylize

Type of: alter, change, modify

• epithelial duct
• epithelial tissue
• epitheliod
• epithelioma
• epithelium
• epithet
• epithetical
• epitome
• epitomise
• epitomize
• epitope
• epitrochoidal engine
• epizeuxis
• epizoan
• epizoic
• epizoon
• epizootic
• epoch
• epoch-making
• epochal
• epode
• Epona
• eponym
• eponymic
• eponymous