Definition from Wiktionary, the free dictionary
- (transitive) to say or do (something) for a second time, such as for emphasis.
- Let me reiterate my opinion.
- 2012 April 23, Angelique Chrisafis, “François Hollande on top but far right scores record result in French election”, the Guardian:
- He said France clearly wanted to "close one page and open another". He reiterated his opposition to austerity alone as the only way out of Europe's crisis: "My final duty, and I know I'm being watched from beyond our borders, is to put Europe back on the path of growth and employment."
- (transitive) to say or do (something) repeatedly
Usage notes 
Although iterate and reiterate are similar, iterate indicates that the action is performed for each of a set of items, while reiterate indicates a more general repetition.
to say or do for a second time
to say or do repeatedly
Related terms