The ability to move; capacity for movement. from 15th c.
A tendency to sudden change; mutability, changeableness. from 16th c.
The ability of a military unit to move or be transported to a new position. from 18th c.
The degree to which particles of a liquid or gas are in movement. from 19th c.
People’s ability to move between different social levels or professional occupations. from 19th c.