c: to give in acknowledgment of dependence or obligation :pay
d: to do (a service) for another
a (1): to cause to be or become :make<enough rainfall … to render irrigation unnecessary — P. E. James><rendered him helpless>(2):impart
b (1): to reproduce or represent by artistic or verbal means :depict(2): to give a performance of (3): to produce a copy or version of <the documents are rendered in the original French>(4): to execute the motions of <render a salute>
Both passengers were rendered unconscious in the accident.
The sight of her rendered him speechless.
The virus rendered the computer useless.
He witnessed a car accident and stopped to render aid.
The jury rendered a verdict of not guilty.
Origin of RENDER
Middle English rendren, from Anglo-French rendre to give back, surrender, from Vulgar Latin *rendere, alteration of Latin reddere, partly from re- + dare to give & partly from re- + -dere to put — more at date, do