1. Enlightenment qua knowledge - Attainment of the Samyak Jfiāna (right knowledge) which was hitherto not obtained.
samyagdarśanajnānacāritrāṇāmaprāptaprāpaṇaṃ bodhiḥ.
(BrdrasaṃVṛ p.114)
2. Reflection over the means of attainment of the (right) knowledge.
See - Bodhi.