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thankfully; fortunately; luckily; by God's grace; under the gods' shadow
thanks to your (his, their, everyone's, etc.) kindness; thanks to your assistance; thanks to your support; thanks to your efforts
おかげさまで元気です。
Thanks to you, I am doing well.
お蔭様で元気に過ごしております。
Thanks to you, I'm doing well.
おかげさまで無事に卒業できました。
Thanks to your support, I was able to graduate safely.