An association dictionary creation apparatus is provided that is capable of easily and efficiently creating an association dictionary suiting the user's taste. The association dictionary creation unit includes: a profile storage unit that stores a profile which is information regarding the user's taste; a word selection unit that determines, every predetermined time, a word from the profile stored in the profile storage unit as an associated word search word, and further, selects words, other than the associated word search word, included in the profile as the associated word candidates; and an association degree calculation unit that calculates the degree of association between the associated word search word and each associated word candidate word selected by the word selection unit with reference to the contents stored in the contents storage unit, and when the association degree is higher than a predetermined threshold value, sets the associated word search word and the associated word candidate word as the associated word pair and stores the associated word pair and the association degree in the association dictionary storage unit in association with each other.