Some databases have built-in dictionaries, thesauri, or vocabularies. Brainstorming other related terms can help you to narrow or broaden your topic. Here are some databases that provide that help.
The world's most valuable and comprehensive scholarly, multi-disciplinary full-text database, with more than 8,500 full-text periodicals, including more than 7,300 peer-reviewed journals.
In addition to full text, this database offers indexing and abstracts for more than 12,500 journals and a total of more than 13,200 publications including monographs, reports, conference proceedings, etc. The database features PDF content going back as far as 1887, with the majority of full text titles in native (searchable) PDF format. Searchable cited references are provided for more than 1,400 journals. (NOTE: Replaces Academic Search Premier)
