Warning: This is 3.0 Edition material. It is possible that there is more recent 3.5 Edition version.
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Pleasant Visage

(Ghostwalk)

Illusion (Glamer) [Ectomancy]
Level: Bard 1, Cleric 1, Sorcerer 1, Wizard 1,
Components: V, S,
Casting Time: 1 action
Range: Touch
Target: One ghost
Duration: 24 hours
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

You disguise the wounds of a ghost who has a disturbing, repulsive, or gruesome appearance, making it appear completely normal (although still a ghost).
The spell does not change the ghost's features or disguise it in any way; it conceals the manner of the ghost's death so that it can walk about in polite society.