Speculation- A type of Śrutaniśrita Matijñāna (perceptual cognition depending on verbal symbol);
the (second) stage which takes place after Avagraha (sensation); the mental contemplation through inquiry of the specific (particular) character of the object, such as 'this must be that'.
īhanamīhā, sadbhūtārthaparyālocanarūpā ceṣṭā. avagrahāduttarakāla......mativiśeṣaḥ.
(Nandī 39 MaVṛ Pa 168)