Practise, v. t. & i. — Webster enters it under “practise”
See Practice.
Note: The analogy of the English language requires that the noun and verb which are pronounced alike should agree in spelling. Thus we have notice (n. & v.), noticed, noticing, noticer; poultice (n. & v.); apprentice (n. & v.); office (n. & v.), officer (n.); lattice (n.), latticed (a.); benefice (n.), beneficed (a.), etc. Cf. sacrifice (surmise (promise (compromise (advice (advise (device (devise (
Shades of meaning
Fernald has no entry of its own for practised; he lists it under skilful.
He lists it without comment; the entries above explain its neighbors.