Verb (1-dan, intransitive)
1. to behave like a spoiled child; to fawn on
たまには甘えてもいいんだよ。It's okay to act spoiled once in a while.
2. to take advantage of; to presume upon (e.g. another's benevolence); to depend on
あなたの優しさに甘えていた。I had been taking advantage of your kindness.