Imputation meaning : The act of imputing or charging; attribution; ascription. That which has been imputed or charged. Charge or attribution of evil; censure; reproach; insinuation. A setting of something to the account of; the attribution of personal guilt or personal righteousness of another Opinion; intimation; hint. The process of replacing missing data with substituted values. The statistical inference of unobserved genotypes. A distribution that is efficient and individually rational.