reenforcement
1. [ noun ] information that makes more forcible or convincing
Synonyms: reinforcement
Examples:

"his gestures provided eloquent reinforcement for his complaints"

Related terms: confirmation
2. [ noun ] (military) a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
Synonyms: reinforcement support
Examples:

"they called for artillery support"

Related terms: operation close_support military
Similar spelling:   reinforcement
  reinforcer
  reinforced