Synonyms for Cap:

n.

balloon, beanbag, building block, catapult, clay, construction paper, doll's house, dollhouse, action figure. boundary, check, confines, constraint, control, cover, lid, limitation, range, restraint, restriction, stopper. backwash, billow, breaker, flood tide, high tide, high water, high-water mark, low tide, over, top off, put on. balaclava, bandanna, baseball cap, bathing cap, beanie, bearskin, beret, biretta, blanket, boater, overlay, spread. bar, block off, bolt, close off, close up, excite, fasten, lock out, seal, shut, jam something open/shut. come before, count, dominate, emphasize, figure, height, high, matter, signify, vertex, lie at the heart of something, loom large. brink, cairn, crag, divide, escarpment, Brae, the brow. bung, compartment, cork, lip, mouth, overflow, flip top. nail, perform, shine, trump, upstage, distinguish yourself, make history, smash a record. confine, contain, curb, cure, determine, keep down, regulate, restrict. cap (noun)
capital, ceiling, chapiter, crest, crownwork, detonating device, detonator, pileus.
capsule (noun)
dose, medicine, pill, tablet.
closure (noun)
bung.
dentistry (noun)
amalgam, braces, bridge, caries, cavity, dentistry.
fungi (noun)
fungal, mildew, mushroom, mycology, puffball, toadstool, truffle, magic mushroom, button mushroom.
hat (noun)
hat.
small hat (noun)
beanie, beret.
summit (noun)
acme, apex, brow, climax, crest, crown, culmination, extremity, limit, maximum, peak, pinnacle, summit, tip, top, zenith, highest point, topmost point, uppermost point.
top (noun)
elite, roof.

v.

end (verb)
accomplish, cease, checkmate, close, complete, conclude, culminate, decease, die, end, exit, expire, finalize, finish, halt, pass away, pass on, stop, terminate, wrap up.
excel (verb)
beat, best, eclipse, exceed, excel, outclass, outdo, outstrip, overshadow, predominate, surpass, transcend, outperform.
outdo a performance (verb)
beat, best, complete, cover, crest, crown, eclipse, exceed, excel, finish, outstrip, surpass, top, transcend, trump, wrap up.
stative (verb)
crest.

Other synonyms:

backwash, beanbag, billow, breaker, building block, cairn, catapult, clay, construction paper, cover, crag, doll's house, dollhouse, escarpment, high-water mark, low tide, stopper, Brae, action figure, flip top. balloon, brink, compartment, flood tide, high tide, perform, upstage, vertex. blanket, cork, lip, overlay, trump. bung, height, seal. nail. shine. divide, mouth, overflow. spread. put on. dentistry
amalgam, bridge, caries, cavity, dentistry.
fungi
fungal, mildew, mushroom, mycology, puffball, toadstool, truffle, magic mushroom, button mushroom.
headgear
hat.
Other relevant words:
amalgam, backwash, balaclava, balloon, bandanna, bar, baseball cap, beanbag, beanie, bearskin, beret, billow, biretta, blanket, boater, bolt, boundary, braces, breaker, bridge, brink, bung, cairn, capital, caries, catapult, cavity, ceiling, chapiter, check, clay, close up, compartment, confine, confines, constraint, contain, control, cork, count, cover, crag, crownwork, curb, cure, dentistry, determine, detonating device, detonator, divide, dollhouse, dominate, dose, emphasize, escarpment, excite, fasten, figure, fungal, hat, height, high, lid, limitation, lip, matter, medicine, mildew, mouth, mushroom, mycology, nail, over, overflow, overlay, perform, pileus, pill, puffball, range, regulate, restraint, restrict, restriction, seal, shine, shut, signify, spread, stopper, tablet, toadstool, top off, truffle, trump, upstage, vertex, Brae.

Usage examples for cap

  1. But I ain't got as high an opinyon iv th' Cap as I had. – Mr. Dooley: In the Hearts of His Countrymen by Finley Peter Dunne
  2. He left this cap – Pee-wee Harris on the Trail by Percy Keese Fitzhugh
  3. I went to her, cap in hand. – The Brother of Daphne by Dornford Yates