noun (n)

• fear of the unknown or unfamiliar or fear of making decisions(noun.feeling)

  Synonym:
  timidness, timorousness
  

  source: wordnet30
• fearfulness in venturing into new and unknown places or activities(noun.attribute)

  Synonym:
  timorousness
  Antonym:
  boldness, daring, hardihood, hardiness
  

  source: wordnet30
• The quality or state of being timid; timorousness; timidness.(noun)

  source: webster1913