IAS or i.a.s.

1. Immediate access store (computing)
2. Immigration Advisory Service
3. Indicated air speed (aeronautics)
4. Instrument approach system

• sainthood
• sainthoods
• sainting
• saintish
• saintism
• saintisms
• saintlier
• saintliest
• saintlike
• saintliness
• saintlinesses
• saintling
• saintlings
• saintly
• saintpaulia
• saintpaulias
• saints
• saint's day
• saint's days
• saintship
• saintships
• Saint-Simonian
• Saint-Simonianism
• Saint-Simonism
• Saint-Simonist