It is used to generate multiple phrases, used for creativity or automated content generation by webmasters .Combinatorial Phrase Generation based on synonyms or synonym phrases.

Unique phrase generator, with potential for millions of phrases in minutes. Phrase Generator is part of the Synonymizer Text Tools Package 3.0.

But on it's own, it is a perfect option for those who only need this specific feature that creates an incredible amount of valuable content in no time.