to restore (somebody) to a condition of health or useful and constructive activity, e.g. after illness or imprisonment
to restore (something) to a former capacity or state, e.g. of efficiency or, soundness, or solvency
rehabilitating slum areas
to reestablish the good name of (somebody)
rehabilitation /-ʹtaysh(ə)n/ noun
rehabilitative /-tiv/ adj
[late Latin rehabilitatus, past part. of rehabilitare, from re- + habilitare to qualify, from Latin habilitas: see ability]