The word "up-rose" can be replaced with several synonyms that convey a similar meaning. Some of these synonyms include "arose," "emerged," "sprung up," "ascended," and "stood up." Each of these words has a slightly different connotation but all can be used to describe the act of standing up or rising from a seated position. Other possible synonyms for "up-rose" are "got up," "stood," "stood on end," "elevated," and "uplifted." These words can all be used in different contexts and scenarios depending on the intended meaning and the tone of the writing.