Cases of word usage

1) a hollow place in a wall, e.g. for a statue or ornament; suitable or satisfactory position (niche)

2) to attend to (customers) in a shop, restaurant etc; to offer (food) to people; to be satisfactory (for a need or purpose) (serve)

3) not satisfactory (unsatisfactory)

4) in good health; in a satisfactory condition; thoroughly; completely; very much; a place for obtaining water from an underground source; a hole bored for mineral oil; a tall space in a building for a staircase or lift (well)

5) giving a satisfactory or rewarding return for; good enough for; having property to the value of; of value, equal to (worth)