The word "in-sighted" refers to having a deep understanding or awareness of something. There are several synonyms that can be used in place of this word, depending on the context and intended meaning. Some potential options might include "perceptive," "insightful," "keen," "discerning," "observant," "cognizant," "attentive," "conscious," "enlightened," and "sensitive." Each of these words carries a slightly different nuance, but all can convey a sense of being attuned to one's surroundings or having a heightened ability to see beyond the surface level of things. Choosing the right synonym can help to convey the intended tone and meaning more precisely.