Santa Claus /sanˈtə klözˈ/

1. A fat white-bearded old man dressed in a red coat or robe who by tradition brings children Christmas presents (also known as Father Christmas)
2. An improbable source of improbable benefits

• observationally
• observation car
• observation cars
• observation post
• observation posts
• observations
• observative
• observator
• observatories
• observators
• observatory
• observe
• observed
• observer
• observers
• observes
• observing
• observingly
• obsess
• obsessed
• obsesses
• obsessing
• obsession
• obsessional
• obsessionally