Meaning : Put down in writing. Of texts, musical compositions, etc..
Synonyms : get down, put down, write down
Meaning : Reach or come to rest.
Example :
The bird landed on the highest branch.
The plane landed in Istanbul.
Synonyms : land
Meaning : Put or settle into a position.
Example :
The hotel was set down at the bottom of the valley.
Meaning : Cause to sit or seat or be in a settled position or place.
Example :
Set down your bags here.
Synonyms : place down, put down