A positionable seat (10; 200; 300; 600) comprising: a seat base (15; 15A; 215; 315; 415; 515; 615) having a back end (30; 230), an opposing front end (35; 235), a first side (40; 240) extending between the back end (30; 230) and the front end (35; 235), a second side extending between the back end (30; 230) and the front end (35; 235), and a top surface (32; 232); a cantilever connection device (20; 20A; 220; 320; 620) having a first end rigidly affixed to one of the first (40,240) or second (30,230) sides of the seat base (15; 15A; 215; 315; 415; 515; 615) and a second end rotatably secured to a support structure, where an axis of rotation about which the second end of the cantilever connection device (20;20A; 220; 320; 620) rotates does not intersect any portion of the seat base (15; 15A; 215; 315; 415; 515; 615); and wherein the cantilever connection device (20;20A; 220; 320; 620) supports the seat base (15; 15A; 215; 315; 415; 515; 615) and guides the seat base (15; 15A; 215; 315; 415; 515; 615) along a travel path between (i) a seated position, where the seat base (15; 15A; 215; 315; 415; 515; 615) is located for a user to sit upon the seat base (15; 15A; 215; 315; 415; 515; 615) with the user supported by the cantilever connection device (20; 20A; 220; 320; 620) and the top surface (32; 232) of the seat base (15; 15A; 215; 315; 415; 515; 615), and (ii) a standing position where the seat base (15; 15A; 215; 315; 415; 515; 615) is located for the user to lean against the seat base (15; 15A; 215; 315; 415; 515; 615) with the user supported by the cantilever connection device (20; 20A; 220; 320; 620) and the top surface (32; 232) of the seat base (15; 15A; 215; 315; 415; 515; 615). a seat base (15; 15A; 215; 315; 415; 515; 615) having a back end (30; 230), an opposing front end (35; 235), a first side (40; 240) extending between the back end (30; 230) and the front end (35; 235), a second side extending between the back end (30; 230) and the front end (35; 235), and a top surface (32; 232); a cantilever connection device (20; 20A; 220; 320; 620) having a first end rigidly affixed to one of the first (40,240) or second (30,230) sides of the seat base (15; 15A; 215; 315; 415; 515; 615) and a second end rotatably secured to a support structure, where an axis of rotation about which the second end of the cantilever connection device (20;20A; 220; 320; 620) rotates does not intersect any portion of the seat base (15; 15A; 215; 315; 415; 515; 615); and wherein the cantilever connection device (20;20A; 220; 320; 620) supports the seat base (15; 15A; 215; 315; 415; 515; 615) and guides the seat base (15; 15A; 215; 315; 415; 515; 615) along a travel path between (i) a seated position, where the seat base (15; 15A; 215; 315; 415; 515; 615) is located for a user to sit upon the seat base (15; 15A; 215; 315; 415; 515; 615) with the user supported by the cantilever connection device (20; 20A; 220; 320; 620) and the top surface (32; 232) of the seat base (15; 15A; 215; 315; 415; 515; 615), and (ii) a standing position where the seat base (15; 15A; 215; 315; 415; 515; 615) is located for the user to lean against the seat base (15; 15A; 215; 315; 415; 515; 615) with the user supported by the cantilever connection device (20; 20A; 220; 320; 620) and the top surface (32; 232) of the seat base (15; 15A; 215; 315; 415; 515; 615). (i) a seated position, where the seat base (15; 15A; 215; 315; 415; 515; 615) is located for a user to sit upon the seat base (15; 15A; 215; 315; 415; 515; 615) with the user supported by the cantilever connection device (20; 20A; 220; 320; 620) and the top surface (32; 232) of the seat base (15; 15A; 215; 315; 415; 515; 615), and (ii) a standing position where the seat base (15; 15A; 215; 315; 415; 515; 615) is located for the user to lean against the seat base (15; 15A; 215; 315; 415; 515; 615) with the user supported by the cantilever connection device (20; 20A; 220; 320; 620) and the top surface (32; 232) of the seat base (15; 15A; 215; 315; 415; 515; 615).