Definitions of quite:

• adverb:   to the greatest extent; completely

  Example: "You're quite right"

• adverb:   to a degree (not used with a negative)

  Example: "Quite tasty"

• adverb:   of an unusually noticeable or exceptional or remarkable kind (not used with a negative)

  Example: "Her victory was quite something"

• adverb:   actually or truly or to an extreme

  Example: "Was quite a sudden change"