隠れる / かくれる [kakureru] in Japanese.
Final Fantasy IV
Type: Command / Augment Ability
Usable by: Gilbart Chris von Muir, others (DS version only)
Learn: initial ability on Gilbart
Obtain (DS Version): for the Augment, teach Gilbart at least two Augment Abilities. Receive from him in Troia after defeating the Dark Elf
Effect: makes the user hide off-screen, preventing them from being targeted but also from acting themselves. While hidden, the Hide command will change to 'Appear'
Other: (non-DS versions) Hide will kick in on low health automatically
Final Fantasy XI
Type: Job Ability
Learn at: THF45, Use: any
Cast Time: instant, Recast: 5 min, Duration: (varies)
Range: self, Radius: self, Cumulative Enmity: 0, Volatile Enmity: 0
Description: Allows you to evade enemies by hiding
Other: makes user invisible, resets enmity, loses aggro on monsters that don't track by scent
Other: can be modified by merits, Rogue's Vest and Pillager's Vest
A Realm Reborn

Type: Rogue Ability
Learn: ROG10, Use: ROG, NIN
Cast time: (instant), Recast: 20 s, Duration: (until cancelled)
Potency: -, Range: 0, Radius: 0
Description: Blend in with your surroundings, making it impossible for most enemies to detect you, but reducing movement speed by 50%. Has no effect on enemies 10 levels higher than your own, or certain enemies with special sight. Cannot be executed while in combat. Effect ends upon use of any action, including Hide
4 Heroes of Light
Type: Ability, AP: 2
Target: self, Element: -, Power: -
Speed: 100, Fixed Enmity: 0, Volatile Enmity: 0
Learn: White Mage 3
Description: Hide from the foes so they will not attack you
Effect: resets the user's fixed and volatile enmity to 0
Explorers
Type: Default Ability
Learn: Bard
Description: Decrease malice accrual, and thus become harder for enemies to target
Category: Ability