WordNet sense 1 (a slight attack of illness):

touch

WordNet sense 2 (a small quantity):

bit

WordNet sense 3 (a point located with respect to surface features of some region):

place, topographic point

WordNet sense 4 (a mark on a playing card (shape depending on the suit)):

pip

WordNet sense 5 (an outstanding characteristic):

point

WordNet sense 6 (a blemish made by dirt):

blot, daub, slur, smear, smirch, smudge

WordNet sense 7 (a small contrasting part of something):

dapple, fleck, patch, speckle, maculation

WordNet sense 8 (a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer):

spotlight

WordNet sense 9 (catch sight of):

descry, espy, spy

WordNet sense 10 (mar or impair with a flaw):

blemish

WordNet sense 11 (make a spot or mark onto):

blob

WordNet sense 12 (a job in an organization):

berth, billet, office, position, post, situation

WordNet sense 13 (an act that brings discredit to the person who does it):

stain