The phrase "steeled against" refers to being prepared or fortified against something, often emotionally or mentally. Synonyms for this expression include "brace oneself," "harden oneself," "toughen up," "prepare oneself," and "ready oneself." These terms all convey a similar sense of mentally and emotionally arming oneself against a potential obstacle or challenge. Other related phrases might include "build up defenses," "put up a shield," and "shield oneself." All of these expressions imply a sense of preparation and readiness in the face of adversity. Using these synonyms can help add variety and nuance to your writing, helping you to more accurately capture the subtleties of the situation at hand.