Synonyms and related words :
account, aesthetic distance, allowance, assessment, bill, blackmail, blood money, clearance, compass, deep space, depths of space, distance, divergence, emolument, extension, extent, farness, fee, footing, hush money, infinity, initiation fee, leeway, length, lengthiness, light-years, linear measures, long time, longitude, longness, margin, measure, overall length, parsecs, perpetuity, perspective, piece, range, reach, reckoning, remoteness, retainer, retaining fee, scot, separation, space, span, stipend, stretch, stride, tribute, way, ways, yardage