1. Immediately
   "it was love at first sight"
   - at first glance

Encyclopedia: At first sight

• repressor
• repressor gene
• superlative degree
• superlatively
• superload
• superlunar
• superlunary
• superman
• supermarket
• supermarketeer
• supermarketer
• Supermex
• supermodel
• supermolecule
• supermom
• supernal
• supernatant
• supernatural
• supernatural being
• supernatural virtue
• supernaturalism
• supernaturalist
• supernaturalistic
• supernaturally
• supernaturalness