Collocations for magnitude - noun

considerable, great
unprecedented
sheer
relative
sufficient
a fall in costs of sufficient magnitude to enable us to reduce prices

small

appreciate, comprehend, grasp, realize, understand
They failed to comprehend the magnitude of the problem.

assess, determine, estimate, measure, quantify
underestimate
They appear to underestimate the magnitude of such influences.

in magnitude
The effects were substantial in magnitude.

of the first magnitude
Stars of the first magnitude are visible to the naked eye. (astronomy)
a disaster of the first magnitude

of comparable magnitude, of similar magnitude
We will face challenges of a similar magnitude.

(by) an order of magnitude
Her calculation was out by several orders of magnitude.