To make natural
To make (a word) a natural part of the language, using the native homologue of each phoneme (and often for each morpheme) of the imported word (e.g., native inflections).
To study nature.
To limit explanations of a phenomenon to naturalistic ones and exclude supernatural ones.
To grant citizenship to someone not born a citizen.
To acclimatize an animal or plant.
To make of different kinds; to make different from one another; to diversity; to variegate.
To embellish; to change fancifully; to present under new aspects, as of form, key, measure, etc. See variation.
To be or act different from the usual.
Not to remain constant: to change with time or a similar parameter.
To institute a change in, from a current state; to modify.
To change with time or a similar parameter.
To display differences.