Have need of is a phrase that expresses the idea of needing something. It can be used to describe a situation in which someone needs something, or it can be used to express a desire for something. The two crossword solutions for this phrase are 'WANT' and 'REQUIRE'. WANT is a four-letter word that expresses a strong desire for something, while REQUIRE is a seven-letter word that expresses a need for something that is necessary.