Set down and Touch down

Set down verb - To cause to sit down.

Touch down and set down are semantically related in land topic. In some cases you can use "Touch down" instead a verb "Set down", when it comes to topics like arrive, fall, sit atop of.

Touch down verb - Come or bring (a plane) to a landing.

Set down and touch down are semantically related in land topic. You can use "Set down" instead a verb "Touch down", if it concerns topics such as arrive, fall, sit atop of.