Impressionably is an adjective that describes a person who is easily influenced or affected by the opinions or actions of others. Some synonyms for impressionably include susceptible, malleable, pliable, plastic, and impressionable. Similar words to consider are suggestible, gullible, vulnerable, and naive. Using these synonyms can help to create a more vivid and varied vocabulary in your writing and conversations. When describing someone who is impressionably, it is important to consider the context and to use the correct word to convey the intended meaning. It is important also to use these words in the right context and not come across to your audience.