Practise, v. t. & i.
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 practise; he lists it under exercise, follow, habit.
Where he writes about it:
Exercise is action taken at any time with a view to employing, maintaining, or increasing power, or merely for enjoyment; practise is systematic exercise with a view to the acquirement of facility and skill in some pursuit; a person takes a walk for exercise, or takes time for practise on the piano. — from exercise
Practise is also used of putting into action and effect what one has learned or holds as a theory; as, the practise of law or medicine; a profession of religion is good, but the practise of it is better. — from exercise
Drill is systematic, rigorous, and commonly enforced practise under a teacher or commander. — from exercise
Practise is the active doing of something in a systematic way; we do not speak of the practise, but of the habit of going to sleep; we speak of a tradesman's custom, a lawyer's or a physician's practise. — from habit
Educationally, practise is the voluntary and persistent attempt to make skill a habit; as, practise in penmanship. — from habit