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

Derived forms: ascertainments

• hagiology
• hagridden
• hah
• Hahn
• hahnium
• haick
• Haida
• Haifa
• haik
• haiku
• hail
• Hail Mary
• hail-fellow
• hail-fellow-well-met
• Haile Selassie
• hailstone
• hailstorm
• Haiphong
• hair
• hair cell
• hair coloring
• hair colouring
• hair curler
• hair drier
• hair dryer