The term 'I SAY!' can be represented by four different words in a crossword puzzle. The first is EGAD, which is an exclamation of surprise or dismay, usually used in a humorous way. The second is DOAS, which is an acronym for 'Doing as One Should, ' meaning to do the right thing. The third is EGADS, which is an intensification of EGAD, used to express shock or surprise. Finally, ZOUNDS is an archaic expression of surprise or dismay, similar to EGAD and EGADS.