Educational apparatus, educational method, and recording medium

An educational method implementable with an educational apparatus for delivering a search result from a database unit to a user, the apparatus including a keyword processor, a thesaurus processor, an expression adjuster, a delivery controller, and a database unit, the method comprising:

• analyzing, with the keyword processor, state data input by a user to generate a keyword;
• performing, with the database unit, a search using search keyword data included in the keyword and obtaining state search-result data;
• replacing, with the thesaurus processor, at least part of expression keyword data included in the keyword with another word;
• generating, with the expression adjuster, expression adjustment data using processed expression keyword data resulting from replacement performed in the replacing the at least part of expression keyword data;
• and
• adjusting, with the delivery controller, an expression using the expression adjustment data and delivering, from an output unit, the state search-result data.