IAS or i.a.s.

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

• hesitated
• hesitates
• hesitating
• hesitatingly
• hesitation
• hesitation form
• hesitation forms
• hesitations
• hesitation waltz
• hesitative
• hesitator
• hesitators
• hesitatory
• hesp
• Hesper
• Hesperian
• hesperid
• Hesperides
• hesperidia
• hesperidium
• hesperidiums
• hesperids
• Hesperiidae
• Hesperis
• Hesperus