The phrase "hedged about" is often used to refer to something that is surrounded or protected by barriers or limitations. There are several synonyms for this phrase, including "encircled," "encompassed," "constrained," "restricted," "confined," and "hemmed in." Other possible synonyms might include "ringed," "girded," "defended," "guarded," "walled," or "fenced." Each of these words captures a slightly different aspect of the idea of being hedged about, but all convey the sense of being enclosed or protected from outside influences or threats. Overall, these synonyms illustrate how language can be used to more precisely convey meanings and nuance.