ROGET'S THESAURUS OF ENGLISH WORDS AND PHRASES ...

architrave, frieze, cornice, coping stone, zoophorus † , capital, epistyle † , sconce,
pediment, entablature † ; tympanum; ceiling &c (covering) 223.
attic, loft, garret, house top, upper story.
[metaphorical use] summit conference, summit; peak of achievement, peak of
performance; peaks and troughs, peaks and valleys (in graphs).
V. culminate, crown, top; overtop &c (be superior to) 33.
Adj. highest &c (high) &c 206; top; top most, upper most; tiptop; culminating &c v.;
meridian, meridional † ; capital, head, polar, supreme, supernal, topgallant.
Adv. atop, at the top of the tree.
Phr. en flute; fleur deau [Fr.].
211. Base -- N. base, basement; plinth, dado, wainscot; baseboard, mopboard † ; bedrock,
hardpan [U.S.]; foundation &c (support) 215; substructure, substratum, ground, earth,
pavement, floor, paving, flag, carped, ground floor, deck; footing, ground work, basis;
hold, bilge.
bottom, nadir, foot, sole, toe, hoof, keel, root; centerboard.
Adj. bottom, undermost, nethermost; fundamental; founded on, based on, grounded on,
built on.
212. Verticality -- N. verticality; erectness &c adj.; perpendicularity &c 216.1; right
angle, normal; azimuth circle.
wall, precipice, cliff.
elevation, erection; square, plumb line, plummet.
V. be vertical &c adj.; stand up, stand on end, stand erect, stand upright; stick up, cock
up.
render vertical &c adj.; set up, stick up, raise up, cock up; erect, rear, raise on its legs.
Adj. vertical, upright, erect, perpendicular, plumb, normal, straight, bolt, upright;
rampant; standing up &c v.; rectangular, orthogonal &c 216.1.
Adv. vertically &c adj.; up, on end; up on end, right on end; a plomb [Fr.], endwise; one
one's legs; at right angles.
213. Horizontality -- N. horizontality † ; flatness; level, plane; stratum &c 204; dead level,
dead flat; level plane.
recumbency, lying down &c v.; reclination † , decumbence † ; decumbency † ,
discumbency † ; proneness &c adj.; accubation † , supination † , resupination † , prostration;
azimuth.
plain, floor, platform, bowling green; cricket ground; croquet ground, croquet lawn;
billiard table; terrace, estrade † , esplanade, parterre.
[flat land area] table land, plateau, ledge; butte; mesa (plain) 344.
[instrument to measure horizontality] level, spirit level.
V. be horizontal &c adj.; lie, recline, couch; lie down, lie flat, lie prostrate; sprawl, loll,
sit down.
render horizontal &c adj.; lay down, lay out; level, flatten; prostrate, knock down,
floor, fell.
Adj. horizontal, level, even, plane; flat &c 251; flat as a billiard table, flat as a bowling
green; alluvial; calm, calm as a mill pond; smooth, smooth as glass.