There are various synonyms for the phrase "stuck by" that can be used in different contexts to convey a similar meaning. Some of the synonyms include "impressed by", "taken aback by", "surprised by", "struck by", "astonished by", "captivated by", and "awed by". These synonyms imply that the speaker is experiencing a strong emotional reaction to something they have observed or encountered. They suggest a sense of wonder, admiration, or shock at the new discovery. Whether the reaction is positive or negative, these synonyms convey the idea that the speaker has been deeply affected by the object or situation in question.