retentively


re·ten·tive

R0191200 (rĭ-tĕn′tĭv)adj.1. Having the quality, power, or capacity of retaining.2. Having the ability or capacity to retain knowledge or information with ease: a retentive memory.
re·ten′tive·ly adv.re·ten′tive·ness n.
Thesaurus
Adv.1.retentively - in a retentive manner