Parameter to know, to have knowledge of, to be acquainted with, be aware of, be sensible of, to hear, learn, learn by heart, be able, be careful of, to make possible, to perceive, comprehend, understand, apprehend, be cognizant of, to fathom, make out, discern; have a premonition, to notice, feel, sense, observe, be conscious of [b1844a5e5d88082b8b553c1465530cfc]