sammasati

to touch, seize, grasp, know thoroughly, master SN.ii.107; Dhp.374; Mil.325; to think, meditate on (acc.) Ja.vi.379; ppr. sammasaṃ Ja.ii.107 & sammasanto Mil.379; Ja.i.74, Ja.i.75; fem. sammasantī Thag-a.62; sammasamāna Mil.219, Mil.325, Mil.398; pp sammasita.

saṃ + masati