boldness

Concise Oxford English Dictionary © 2008 Oxford University Press:
bold/bəʊld/

▶adjective

• 1 confident and daring or courageous.

  ■ dated audacious; impudent.

• 2 (of a colour or design) strong or vivid.

  ■ (of type) having thick strokes.

▶noun a typeface with thick strokes.

– phrases
be (or make) so bold as to do something dare to do something that might be considered audacious.
(as) bold as brass confident to the point of impudence.

– derivatives
boldly adverb,
boldness noun.

– origin OE bald, of Gmc origin.