Meaning of -ATE in English
as a noun suffix, it marks the agent; as, curate, delegate. it also sometimes marks the office or dignity; as, tribunate.
2. -ate ·- as an ending of participles or participial adjectives it is equivalent to -ed; as, situate or situated; animate or animated.
3. -ate ·- as the ending of a verb, it means to make, to cause, to act, ·etc.; as, to propitiate (to make propitious); to animate (to give life to).
4. -ate ·- in chemistry it is used to denote the salts formed from those acids whose names end -ic (excepting binary or halogen acids); as, sulphate from sulphuric acid, nitrate from nitric acid, ·etc. it is also used in the case of certain basic salts.
Webster English vocab. Английский словарь Webster. 2012