assure, hope, forebode, foretell, predict, prognosticate, anticipate, call, guarantee, pledge, more...

break, betray, deny, retract, violate

oath, pledge, vow, oath of office, contract, deal, bargain, agreement, more...

great, such, solemn, most, considerable, little, early, divine, written, implied, false

future success,   great potential,   fulfilment of a vow,   lots of potential,   good potential,   will give,   optimistic offer,   "i need your word!",   i'll be there,   kept word