Sentence:  If the <WSD>transitioning</WSD> person leaves the family home, there will be moving costs, and costs associated with the acquisition of another home or the renting of an apartment. If the non-<WSD>transitioning</WSD> spouse leaves the family home, ... 
Meaning of the word marked with <WSD> tags:  To change from one gender role to another, or bring one's outward appearance in line with one's internal gender identity.