From The Collaborative International Dictionary of English v.0.48:
Cushion \Cush"ion\ (k[oo^]sh"[u^]n), v. t. [imp. & p. p.
Cushioned (-[u^]nd); p. pr. & vb. n. Cushioning.]
1. To seat or place on, or as on a cushion.
[1913 Webster]
Many who are cushioned on thrones would have
remained in obscurity. --Bolingbroke.
[1913 Webster]
2. To furnish with cushions; as, to cushion a chaise.
[1913 Webster]
3. To conceal or cover up, as under a cushion.
[1913 Webster]
Cushioned hammer, a dead-stroke hammer. See under
Dead-stroke.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
cushioned \cushioned\ (k[oo^]sh"[u^]nd), adj.
1. furnished with a cushion or other device to reduce
hardness.
Syn: cushiony, padded.
[WordNet 1.5 +PJC]
2. having the severity reduced; having the unpleasant effects
mitigated.
[PJC]
3. protected against shock by adding soft padding or other
device to reduce deceleration in a collision.
Syn: cushioned.
[PJC]