to get better, to increase, to grow

Sustainable development.

give or allow an increase in status or salary

building and progress

progress, advancement, development, promotion, improvement, enhancement

advance, develop

to get promotion, be promoted, to obtain preferment, to rise, to be increased

be improving, be on the increase

developing, progressing or improving

be extremely poor

abandon one's ground in a war, argument of dispute

obtrusion or occupancy at a place

(a horse, etc.) to increasingly gain skill

be very obedient

be utterly powerless to retain or keep anything