Improve
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In Scotch law
To disprove; to invalidate or impeach; to prove false or forged.
1 Forb. Inst. pt. 4, p. 162.
To improve a lease mcans to grant a lease of unusual duration to encourage a tenant, when the soil is exhausted, etc. Bell; Stair, Inst. p.
676, § 23.