に合わせて

The construct X + に合わせて can be used to express something like "making something suitable for X" or "according to X." A good example in English would be something like "according to the patient's needs..." If it's used before a noun to modify it, it changes to に合った.

このリストの中から、予算に合った商品を選ぶことが出来ます。
From this list, you can select goods according to your budget.

リーさんは上手さに合わせてで料理しなくちゃって言ってた。
Lee-san said you must do cooking according to your skill level.

子供には、子供の年齢に合った本を方がいいですよ。
For kids, you should give them books that match their age.

男の人の病状に合わせて、酒がたくさん飲ませられなくちゃんだよ。
According to the patient's condition, he must be made to drink a lot of alcohol.