comfortably

Concise Oxford English Dictionary © 2008 Oxford University Press:
comfortable/ˈkʌmftəbl/

▶adjective

• 1 providing or enjoying ease or relaxation: comfortable shoes.

  ■ relaxed and free from constraint.

• 2 free from stress or financial worry.

• 3 (of a victory) with a wide margin.

– derivatives
comfortableness noun,
comfortably adverb.