Another word for size
bulk, largeness, greatness, extent, vastness, amplitude, scope, immensity, enormity, stature, capaciousness, hugeness, humongousness*, breadth, substance, volume, bigness, highness, mass, extension, intensity, capacity, proportion; see also extent, quantity.
Another word for sizenoun
The amount of space occupied by something:dimension, extent, magnitude, measure, proportion (often used in plural). See big
The quality or state of being large in amount, extent, or importance:amplitude, bigness, greatness, largeness, magnitude, sizableness. See big
Great extent, amount, or dimension:amplitude, bulk, magnitude, mass, volume (often used in plural). See big