"Fit for habitation" is a term commonly used to describe a dwelling or residential space that is suitable for people to live in. There are several synonyms that can be used to convey the same meaning, such as "livable," "inhabitable," "habitable," "tenantable," and "occupiable." These words all indicate that a space is safe, comfortable, and suitable for human occupancy. Other words that might be used to describe a space that is fit for habitation include "functional," "cozy," "welcoming," "comfortable," and "conducive to living." Overall, the key idea behind the phrase "fit for habitation" is that a space is suitable for people to live in, and there are many different words that can be used to express this idea.