Posingly is a word that describes when someone behaves in a manner that is intended to attract attention or give the impression of being important. There are several synonyms that can be used to describe this type of behavior, including showily, ostentatiously, grandiosely, pompously, pretentiously, and extravagantly. Each of these words conveys a sense of exaggeration or over-the-top behavior that can be seen as insincere or attention-seeking. It is important to note that while these words may be used interchangeably with posingly, they each have their own subtle nuances that can slightly alter the meaning of a sentence or phrase.