The word "smatters" can be replaced with a variety of synonyms, depending on the context and tone of the sentence. Some potential substitutes include "trivialities," "frivolities," "peccadilloes," "insignificances," and "minor details." These words all convey a sense of something being unimportant or inconsequential, and could be used in sentences such as "He only talked about smatters during the meeting," or "She tended to focus on petty smatters rather than the bigger picture." Other possible synonyms for "smatters" might include "nonsense," "gibberish," or "rubbish," though these words carry a slightly stronger connotation of being untrue or nonsensical.