Sentence:  Wisla made a bright start to the second half and Fulham keeper Mark Schwarzer was twice called into action, first saving Gervasio Nunez's deflected 20-yard effort and then smothering Gargula's free-kick./ But Fulham soon had the <WSD>cushion</WSD> of a third goal after more outstanding build-up play. 
Meaning of the word marked with <WSD> tags:  a sufficient quantity of an intangible object (like points or minutes) to allow for some of those points, for example, to be lost without hurting one's chances for successfully completing an objective.