EXACT synonym of the given word 'Holistic' is 'Comprehensive'.Holistic: DEALING with or treating the whole of something or someone and not just a partExample: My doctor takes a holistic approach to disease.Comprehensive: complete and including everything that is necessary.Example: We offer you comprehensive training in all aspects of the business.By reading the above explanations, we can infer that the correct answer is Option 1. Correct Answer: Comprehensive. The meaning of the other words given in the option as follows: Dissimilar: different. Example: The new house is not dissimilar to our old one, except that it's SLIGHTLY bigger.Sketchy: containing few details.Example: So far we only have sketchy information about what caused the explosion.Superficial: (of a person) never thinking about THINGS that are serious or important. Example: He's fun to be with, but he's very superficial.HolisticWholistic = HolisticSketchySketch of someone's face gives sketchy IDEA but a proper photograph gives the complete idea.SuperficialSuperman's getting facial is a very superficial idea.