Float - Target evades all earth attacks.

Float [!Time] - Always Hits

Time Mage

World 2, Surgate Castle
World 3, Buyable at Mirage Village for 300 gil

Beastmaster

World 1, North Mountain - Gaelicat (Catch or Control)
World 2, Drakenvale - Poison Eagle (Catch or Control)
World 3, North Mountain - Gaelicat (Catch or Control)
The Rift, Caves - Poison Eagle (Catch or Control)
The Rift, Void - Crystelle (Control Only)

Mighty Guard [!Blue] - Always Hits. Also gives Protect and Shell.

Blue Mage

World 3, Overworld (Sea, G3 on this map) - Stingray (Must be Confused/Controlled)
The Rift, Dimensional Castle (Boss) - Azulmagia (Must be Reflected)
The Rift, The Void (Boss) - Shinryu (Must be Reflected)

Beastmaster

The Rift, The Void - Crystelle

Levisalve [!Mix] - Always Hits.

Chemist

Mix Maiden's Kiss + Antidote

Confusion [Various] - Inflict Confusion on certain enemies to get Float cast on your party. See the Confusion page for ways to do this.

ALL JOBS EXCEPT Monk

World 1, North Mountain - Gaelicat
World 2, Drakenvale - Poison Eagle
World 3, North Mountain - Gaelicat
The Rift, Cave - Poison Eagle