Antonyms for the word "unseemly" would include words such as "appropriate," "proper," "fitting," "suitable," and "acceptable." These words suggest something that is in line with social norms and standards of behavior. Other antonyms may include "decent," "respectable," "dignified," and "decorous." All of these words suggest a level of decorum and respectability that is lacking in the word "unseemly." In contrast, words like "indecent," "improper," "unsuitable," and "inappropriate" further emphasize the negative connotations of unseemly, indicating a lack of social grace or moral propriety. It is important to choose words carefully when describing behavior, as words can shape our perceptions and understanding of the world around us.