Thought I'd document most of the new abilities I've made for my Fakemon so far. An asterisk denotes an ability which would more than likely be exclusive to that Fakemon:
Accelerate - This Pokémon's speed is boosted by 50% in its first turn on the field
Aerodynamic - Increases speed when hit by a Flying- Type move
Amplifier - Powers up this Pokémon's sound-based moves
Audiophile - This Pokémon heals when hit by a sound-based move
Bad Omen - Lowers the foe's Special Defence when entering battle
Boiling Point - Halves the damage taken from Water- and Ice- Type moves
Bully - Increases the damage of its attacks against Pokémon which are smaller (as denoted by the Pokédex)
Cleaner - Removes entry hazards when sent into battle
Combustible - Hurts the foe when this Pokémon is hit by a Fire- Type move
Contaminate - Poisons foes who consume a held item while this Pokémon is on the field
Cranky - Sharply raises Attack after waking up
Detritivore - Heals when hit by a Ground- Type move and when it goes underground
Enchantress - Prevents Pokémon of the opposite gender from switching out
Famine* - Prevents the foe from healing
Fearless - Raises the Pokémon's Attack and Special Attack when sent out in place of a fainted teammate
Fountain Gift - Heals its ally in the rain
Gold Honour - Increases the power of its move if it hits first
Inflation* - Raises this Pokémon's Attack above 33% health, but lowers it below
Jubilant - Raises this Pokémon's Attack in harsh sunlight
Materialist - Raises this Pokémon's Attack if it is holding a held item
Mineralize - Converts Normal- Type moves into Rock- Type moves
Momentum - Increases the power of a move if it was used last turn
Night Wings - Contact with the foe may put them to sleep
Petulant - Sharply raises the Pokémon's Attack if its held item is stolen, switched or knocked off
Quicksand - When this Pokémon faints, the foe is damaged too
Red Rage* - Increases its Attack against foes whose Pokédex colour is 'red'
Rigid Body - Lowers the Pokémon's Speed but raises its Defence in harsh sunlight
Royal Heir - Inherits the stat changes of a fainted ally it is sent out in place of
Scavenger - Receives the same effects of the foe when they consume a berry
Sensor - Raises accuracy and gives immunity to accuracy drops, but takes more damage from sound-based moves
Shadow Proxy* - While this Pokémon is above 25% health, its shadow fights for it
Shock Absorber - Reduces the damage taken from moves with a high base power
Sleep Walker - Can still use attacking moves at 80% damage while asleep
Slumberous - This Pokémon can always fall asleep, irrespective of Worry Seed, Taunt etc.
Solid Stance - Reduces the damage taken from moves it is switched into
Swordsman - Powers up sword/blade/slash moves, Swords Dance gives a +3 boost
Symmetry - Changes to its Att or Sp.A are copied in its Def or Sp.D respectively, and vice versa
Tangled Vines - Contact with the foe lowers their Speed
Turbulence* - Slightly damages foes who switch in
Unsettle - Prevents the foe from falling asleep
Visor - Prevents taking damage from weather, and extra damage inhibited by sunlight/rain
Woolly Coat - Raises Sp.D in Hail
I didn't know I had so many! There are more, too, and I may change some of these