"It likely will be appropriate to maintain the current target range for the federal funds rate for a considerable time after the asset purchase program ends," according to the Fed.
Policy makers downgraded their monthly bond-buying by US$10 billion to US$15 billion, remaining on track to end the program next month.
"While the much analysed phrase 'considerable time' remained in the FOMC statement, the newly announced scheme for interest rate normalisation shows that higher rates are in the cards," John Kilduff, a partner at Again Capital in New York, told Reuters.
The Fed said it expects the US economy to grow at a rate between 2 per cent and 2.2 per cent in 2014, between 2.6 per cent and 3 per cent in 2015, between 2.6 per cent and 2.9 per cent in 2016 and between 2.3 per cent and 2.5 per cent in 2017. Its forecasts for 2014, 2015, and 2016 were all marginally downgraded from its June estimates.
In late afternoon trading in New York, the Dow Jones Industrial Average rose 0.24 per cent, the Standard & Poor's 500 Index added 0.35 per cent and the Nasdaq Composite Index gained 0.44 per cent. Earlier in the day, the Dow climbed to a record high 17,221.11.
Gains in shares of DuPont and those of Home Depot, up 4.8 per cent and 1 per cent respectively, led the advance in the Dow. DuPont gained after activist investor Nelson Peltz's Trian Fund Management called for a breakup of the company, saying "the reason for DuPont's persistent underperformance is very simple: DuPont's conglomerate structure is destroying value."
Shares of FedEx climbed, last up 3.3 per cent, after the company posted quarterly earnings that surpassed expectations.
There was upbeat news on the US housing market, with builder confidence as measured by the National Association of Home Builders/Wells Fargo this month rising to the highest level since November 2005. The housing market index rose to 59, from 55 in August.
In Europe, the Stoxx 600 finished the day with a 0.5 per cent increase from the previous close, as did France's CAC 40. Germany's DAX rose 0.3 per cent. The UK's FTSE 100 Index fell 0.2 per cent.