The definition of proportionate is having a proper relation between parts, such as size or ratio.(adjective)
An example of someone proportionate is a woman whose top half is sized in relation to her bottom half; proportionate size.
Proportionate is defined as to even something out.(verb)
An example of proportionate is to distribute evenly-sized slices of pizza to party guests.
See proportionate in Webster's New World College Dictionary
Origin: ME proporcionate < LL proportionatus
See proportionate in American Heritage Dictionary 4
Learn more about proportionate