1. The act of ascertaining; a reducing to certainty; a finding out by investigation; discovery

Derived forms: ascertainments

• Ireland
• Irelander
• Irena
• Irenaeus
• Irene Joliot-Curie
• irenic
• irenical
• Irenidae
• Iresine
• Iresine herbstii
• Iresine reticulata
• Iridaceae
• iridaceous
• iridaceous plant
• iridectomy
• iridesce
• iridescence
• iridescent
• iridic
• iridium
• iridocyclitis
• iridokeratitis
• iridology
• iridoncus
• Iridoprocne