妥当 (tuǒ dàng): เหมาะสม

Before we set off, Mom checked the luggage over and over, and only after confirming that the documents and medicines were all packed appropriately did she feel at ease letting us leave.

This contract involves a large sum, so a lawyer must review every clause properly; otherwise we cannot sign it.

He always speaks appropriately and never embarrasses anyone, so his colleagues are all willing to discuss matters with him.

The doctor suggested that before surgery we must thoroughly understand the patient's physical condition before deciding on the specific surgical plan.