Invisibility, Greater

Illusion (Glamer)
Level: Alchemist 4, Antipaladin 4, Artificer 4, Bard 4, Inquisitor 4, Sorcerer/Wizard 4, Summoner 3
Components: V, S
Casting Time: 1 Standard Action
Range: personal or touch
Target: you or creature touched
Duration: 1 round/level (D)
Saving Throw: Will negates (harmless)
Spell Resistance: yes (harmless)

This spell functions like invisibility, except that it doesn't end if the subject attacks.