corroboration

noun

1. (countable, uncountable)The act of corroborating, strengthening, or confirming; addition of strength; confirmation.

   “Fallacious enough doctrine when wielded against one's prejudices, but in corroboration of cherished suspicions not without likelihood.”

   “Social media lighted up with corroborations that lower Manhattan was the meteorological equivalent of the jungles of Borneo.”

2. (countable, uncountable)That which corroborates.

   “Urban Dictionary records at least 66 of the terms found by the present research, but as this dictionary liberally accepts words, definitions, and sample sentences based solely on the say-so of contributors, in the absence of corroboration from other sources the authenticity of some entries must remain dubious.”