vary

(verb) become different in some particular way, without permanently losing one's or its former characteristics or essence. Synonyms: change, alter. Examples: "Her mood changes in accordance with the weather." "The supermarket's selection of vegetables varies according to the season."

(verb) be at variance with; be out of line with. Synonyms: deviate, diverge, depart.

(verb) be subject to change in accordance with a variable. Examples: "Prices vary." "His moods vary depending on the weather."

(verb) make something more diverse and varied. Synonyms: variegate, motley. Example: "Vary the menu."