am sure (verb) tell: understand, discern
Detalii: say, speak, and tell are near synonyms, but say is usually followed by a statement or words actually uttered
Sinonime: antecede, antedate, anticipate, be ahead of, come first, forerun, foreshadow, go before, go in advance, guide, harbinger, have a head start, head, head up, herald, in space, introduce, lead, light the way, outrank, pace, pave the way, pioneer, preexist, preface, presage, rank*, ring in, run ahead, scout, take precedence, time, usher
Antonime: misunderstand