The crossword solution for the term 'PREFIX FOR DICTION' is BENE, which is a four-letter Latin prefix meaning 'good' or 'WELL'. This prefix is commonly used in English words to indicate something that is of a good or positive nature. For example, the word 'BENEFICIAL' is derived from the prefix 'bene', meaning something that is BENEFICIAL or advantageous. In the context of diction, the prefix 'bene' can be used to describe words that are of a positive or favorable nature.