1. [late 16C+] (also rightly, right smart) totally, completely.
2. [mid-19C+] (also rite) used for emphasizing how good or bad someone or something is, e.g. a right bastard, a right good ’un.
3. [1900s–20s] (US Und.) of a criminal, under protection from corrupt authorities.
4. [1910s+] (US) properly; thus get (one) right, to capture ‘dead to rights’.
[20C+] to carry out fully and correctly, to achieve a set objective.
[1970s] to look after.