Sentence:  Newcastle were 11 points adrift of Spurs following their 5-0 mauling at the hands of the north London club in February./ But a sixth successive Premier League win puts them on the <WSD>cusp</WSD> of European football next season as they surged 15 points clear of seventh-placed Everton, who have five games left to play. 
Meaning of the word marked with <WSD> tags:  An important moment when a decision is made that will determine future events.