consider or describe as similar, equal, or analogous
We can compare the Han dynasty to the Romans. You cannot equate success in financial matters with greed.
source: WordNet 3.0
be equivalent or parallel, in mathematics
source: WordNet 3.0
make equal, uniform, corresponding, or matching
Let's equalize the duties among all employees in this office. The company matched the discount policy of its competitors.
source: WordNet 3.0
To make equal; to reduce to an average; to make such an allowance or correction in as will reduce to a common standard of comparison; to reduce to mean time or motion; as, to equate payments; to equate lines of railroad for grades or curves; equated distances.