The word "more putrescent" refers to something that is more foul-smelling, rotten, or decomposed than usual. Some antonyms for this term could include words such as fresh, clean, healthy, or pristine. These words all suggest the opposite of decay or decomposition, and instead conjure images of things that are new, vibrant, and full of life. Other antonyms could include words such as wholesome, immaculate, pure, or hygienic, all of which imply a sense of cleanliness, purity, or wholesomeness. Ultimately, the antonyms for a term like "more putrescent" depend on the context in which the word is being used, as well as the specific connotations it carries.