malleable

Capable of being shaped or formed, as by hammering or pressure.

Easily controlled or influenced.

Able to adjust to changing circumstances; adaptable.

Capable of being changed or adjusted to meet particular or varied needs.

Capable of being shaped or extended by beating or rolling; capable of extension by hammering; reducible to a laminated form by beating, as gold, which may be beaten into leaves (gold-foil) of extreme thinness; hence, capable of being shaped by outside influence; yielding. See foil.