1. An information device comprising: a first acquisition unit which acquires situation data via a situation sensor, the situation data indicating situation and environmental information to which the information device is exposed; a second acquisition unit which acquires object information in accordance with the situation data; a search unit which searches a database for related words related to the object information; a situation adaptability table having a degree of adaptability between the related words and the situation data, wherein the search unit weights the related words in accordance with the degree of adaptability; a behavior adaptability table having values, relating to specific actions, to be multiplied by the degree of adaptability to adjust the weights of the related words; a first display unit which displays the related words in order of weights that have been adjusted to allow any one of the related words to be selected; a determining unit which determines whether any one of the related words is selected; and a second display unit which displays the object information acquired by the second acquisition unit for the selected one of the related words which is determined by the determining unit.
1. An information device comprising: a first acquisition unit which acquires situation data via a situation sensor, the situation data indicating situation and environmental information to which the information device is exposed; a second acquisition unit which acquires object information in accordance with the situation data; a search unit which searches a database for related words related to the object information; a situation adaptability table having a degree of adaptability between the related words and the situation data, wherein the search unit weights the related words in accordance with the degree of adaptability; a behavior adaptability table having values, relating to specific actions, to be multiplied by the degree of adaptability to adjust the weights of the related words; a first display unit which displays the related words in order of weights that have been adjusted to allow any one of the related words to be selected; a determining unit which determines whether any one of the related words is selected; and a second display unit which displays the object information acquired by the second acquisition unit for the selected one of the related words which is determined by the determining unit. 2. The device according to claim 1 , wherein the search unit weights the related words in accordance with selected one of a distance to the object information, a time zone when the object is available for use and a predicted time before the object becomes available for use.