metamorphose

Of a moth or insect, to undergo metamorphosis.

To undergo some transformation.

In fact, perhaps this is the pure and perfect incest: the brother realising that the sister’s virginity must be destroyed in order to have existed at all, taking that virginity in the person of the brother-in-law, the man whom he would be if he could become, metamorphose into, the lover, the husband; by whom he would be despoiled, choose for despoiler, if the could become, metamorphose into the sister, the mistress, the bride.

Environmental problems are not objectively existing physical phenomena amenable to reliable analysis and diagnosis. They are social constructions whose meaning and significance metamorphose and wax and wane according to changeable human interest.

To transform (something) so that it has a completely different appearance.