Synonyms for Tapers:

n.

•light sources (noun)
torches, fires, illuminators, tungsten lamps, lanterns, flames, floodlights, lamps, Lights, incandescent lights, jack-o'-lanterns, spotlights, oil lamps, beacons, flashlights, flares, pilot lights, mercury-vapor lamps, candles, light bulbs, stars, table lamps, klieg lights, street lamps, moonbeams, floor lamps, fluorescent lights, searchlights, neon lights, desk lights, arc lamps.

v.

•diminishes (verb)
shrinks, downgrades, shortens, shaves, compresses, shears, lessens, truncates, weeds, concentrates, erodes, drains, Culls, reduces, trims, minimizes, abridges, condenses, compacts, depletes, pares, prunes, curtails, bobs, crops, Clips, diminishes, abbreviates, dwindles, decreases, contracts, lightens, deflates, decrements, nips.

Usage examples for tapers

1. One day the farmer went into town to visit his brother, and was astonished at the rows of trees that grew slender and smooth as wax tapers – Good Stories For Great Holidays Arranged for Story-Telling and Reading Aloud and for the Children's Own Reading by Frances Jenkins Olcott