1. A meeting support apparatus comprising: a storage unit configured to store storage information for each of words, the storage information indicating a word of the words, pronunciation information on the word, and pronunciation recognition frequency which represents number of times that same pronunciation corresponding to the word is spoken; a determination unit configured to generate emphasis determination information including an emphasis level that represents whether or not a first word of the words is highlighted and represents a degree of highlighting determined in accordance with a pronunciation recognition frequency of a second word of the words when the first word is highlighted, the generating the emphasis determination information being based on whether or not the storage information includes a second set corresponding to a first set and based on the pronunciation recognition frequency of the second word when the second set is included in the storage information, the first set representing a combination between the first word and pronunciation information on the first word, the second set representing a combination between the second word and pronunciation information on the second word and being pre-stored in the storage unit; and a generation unit configured to generate an emphasis character string based on the emphasis determination information when the first word is highlighted, the emphasis character string being obtained by combining a symbol to the first word, the symbol representing that the degree of highlighting is increased in accordance with an increase in the emphasis level.