The Collaborative International Dictionary of English v.0.48:

Foot \Foot\ (f[oo^]t), v. i. [imp. & p. p. Footed; p. pr. &
   vb. n. Footing.]
   1. To tread to measure or music; to dance; to trip; to skip.
      --Dryden.
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   2. To walk; -- opposed to ride or fly. --Shak.
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The Collaborative International Dictionary of English v.0.48:

Footing \Foot"ing\, n.
   1. Ground for the foot; place for the foot to rest on; firm
      foundation to stand on.
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            In ascent, every step gained is a footing and help
            to the next.                          --Holder.
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   2. Standing; position; established place; basis for
      operation; permanent settlement; foothold.
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            As soon as he had obtained a footing at court, the
            charms of his manner . . . made him a favorite.
                                                  --Macaulay.
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   3. Relative condition; state.
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            Lived on a footing of equality with nobles.
                                                  --Macaulay.
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   4. Tread; step; especially, measured tread.
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            Hark, I hear the footing of a man.    --Shak.
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   5. The act of adding up a column of figures; the amount or
      sum total of such a column.
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   6. The act of putting a foot to anything; also, that which is
      added as a foot; as, the footing of a stocking.
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   7. A narrow cotton lace, without figures.
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   8. The finer refuse part of whale blubber, not wholly
      deprived of oil. --Simmonds.
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   9. (Arch. & Enging.) The thickened or sloping portion of a
      wall, or of an embankment at its foot.
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   Footing course (Arch.), one of the courses of masonry at
      the foot of a wall, broader than the courses above.

   To pay one's footing, to pay a fee on first doing anything,
      as working at a trade or in a shop. --Wright.

   Footing beam, the tie beam of a roof.
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WordNet (r) 3.0 (2006):

footing
    n 1: status with respect to the relations between people or
         groups; "on good terms with her in-laws"; "on a friendly
         footing" [syn: footing, terms]
    2: a relation that provides the foundation for something; "they
       were on a friendly footing"; "he worked on an interim basis"
       [syn: footing, basis, ground]
    3: a place providing support for the foot in standing or
       climbing [syn: foothold, footing]

Moby Thesaurus II by Grady Ward, 1.0:

219 Moby Thesaurus words for "footing":
   Anschauung, account, adding, advantage, allowance, ambit, ambling,
   ambulation, angle, angle of vision, assessment, backpacking,
   bailiwick, balance, base, baseboard, basement, basis, bear hug,
   bearing wall, bearings, bed, bedding, bedrock, bill, bite,
   blackmail, blood money, bottom, calculation, calculus, capacity,
   case, caste, casting, character, chassis, ciphering, circumstance,
   clamp, clasp, class, clench, clinch, cling, clinging, clutch,
   computation, condition, constituency, dado, death grip, distance,
   echelon, embrace, emolument, estate, estimation, eye, fee,
   firm hold, fix, floor, flooring, fond, foot, foothold, footing it,
   footplate, footrail, footrest, footwork, foundation, frame,
   frame of reference, framework, fundament, fundamental,
   going on foot, grapple, grasp, grip, gripe, ground, grounds,
   groundwork, hardpan, hierarchy, hiking, hitchhiking, hitching,
   hold, hoofing, hug, hush money, infrastructure, initiation fee,
   iron grip, jam, keel, legwork, level, light, location,
   locus standi, lot, lumbering, marching, mental outlook, mileage,
   modality, mode, mopboard, nadir, nip, orbit, order, outlook, pass,
   pavement, pedestrianism, perambulation, perch, perspective, pickle,
   place, plight, point of view, position, post, posture,
   power structure, precedence, predicament, principle, purchase,
   radical, rank, rate, rating, reckoning, reference system, regard,
   respect, retainer, retaining fee, riprap, rock bottom, rudiment,
   sauntering, scot, seat, seating, seizure, shoemold, side, sight,
   sill, situation, slant, sole, solid ground, solid rock, sphere,
   sphere of influence, spot, stability, stage, staggering,
   stamping ground, stance, stand, standing, standing place,
   standpoint, state, station, status, stereobate, stipend, strolling,
   stylobate, substratum, substruction, substructure, system, terms,
   terra firma, territory, thumbing, thumbing a ride, tight grip,
   toddling, toe, toehold, totaling, toting, tottering, traction,
   tramping, treading, tribute, trudging, turf, underbuilding,
   undercarriage, undergirding, underpinning, understruction,
   understructure, universe, vantage, venue, view, viewpoint,
   waddling, wainscot, walking, warrant