Declan

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The Japanese word

調整

is pronounced
chousei | ちょうせい
means
regulation, adjustment, tuning
Examples:
落ち込みは季節調整すればそれほど大きくない。
ochikomi wa kisetsu chōsei sure ba sorehodo ōkiku nai.
The decline isn't so sharp after seasonal adjustment.
Examples sourced from tatoeba.org