Ameliorated

By the 23rd century, the Transplantation Theory, which postulated that alien genes were combined with human genes during prehistory, ameliorated the already established Evolution Theory of humanity.

Source: tatoeba (1911300)

The liberals of the nineteen-thirties were diverse, but they had a common vision. They accepted democracy, the free market, and capitalism. However, they thought that unless the market was not corrected or ameliorated, there would be child labor, neglect of the elderly, dangerous and harmful consumer goods, monopolies squeezing people out of business and forcing down wages — in short, there would be the horror of Great Britain's Industrial Revolution before the British began passing social legislation.

Source: tatoeba (6211489)

As English's Germanic substratum of short words is ameliorated with long Mediterranean loanwords, the Thai language with its short words is ameliorated with long Indic borrowings. Languages often have such vocabulary dichotomies. Japanese native words are longer than the Sinitic borrowings. Borrowed words in these languages often indicate a higher register.

Source: tatoeba (10719139)