-ate

from the GNU version of the Collaborative International Dictionary of English.

• As an ending of participles or participial adjectives it is equivalent to -ed
• As the ending of a verb, it means to make, to cause, to act, etc.
• As a noun suffix, it marks the agent. It also sometimes marks the office or dignity.
• In chemistry it is used to denote the salts formed from those acids whose names end -ic (excepting binary or halogen acids); It is also used in the case of certain basic salts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• suffix in adjectives having the specified thing
• suffix in adjectives characterized by the specified thing
• suffix in adjectives resembling the specified thing
• suffix in nouns a thing characterised by the specified thing
• suffix in nouns a rank or office
• suffix chemistry, in nouns a derivative of a specified element or compound; especially a salt or ester of an acid whose name ends in -ic
• suffix in verbs to act in the specified manner