Final answer:
In the context of writing, 'cohesive' means that the text is well-organized with ideas connected in a clear, logical way, and the word with a similar meaning is 'unified'.
Step-by-step explanation:
When the word cohesive is used to describe writing, it implies that the text is well-organized and that the ideas within it are connected in a clear and logical way. The word that has a similar meaning to cohesive in this context is unified. Therefore, the correct answer to the multiple-choice question is a) Unified. On the other hand, words such as disjointed, separate, and disconnected suggest the opposite of cohesive, indicating a lack of flow or organization.