The phrase "be in the whole" can be interpreted in a few different ways depending on context. One synonym for this phrase could be "to be involved in the entirety" or "to be implicated in the whole situation." Other synonyms could include "to have a stake in the whole," "to be part and parcel of the situation," or "to be fully encompassed in the whole matter." These synonyms all imply some sense of connectivity or involvement in a larger situation or circumstance. It's important to consider the context and meaning when searching for appropriate synonyms or rephrasing a phrase like "be in the whole".