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to put in order; to arrange; to tidy up; to fix; to straighten
to get ready; to prepare; to arrange; to supply; to assemble; to buy
to adjust; to regulate (e.g. rhythm, tune, one's breathing)
to work out (e.g. business deal); to arrange (e.g. marriage); to settle
会議室の机と椅子の配置を調えるよう頼まれた。
I was asked to arrange the tables and chairs in the conference room.
出発前に旅行の持ち物を調えておく必要がある。
You need to prepare your travel belongings before departure.
結婚式のために衣装と装飾品を調えた。
I prepared the outfit and accessories for the wedding.