Habitual

Ha*bit"u*al (hȧ*bĭt"?*al; 135), a. [Cf. F. habituel, LL. habitualis. See Habit, n.] 1. Formed or acquired by habit or use.

An habitual knowledge of certain rules and maxims.
South.

2. According to habit; established by habit; customary; constant; as, the habitual practice of sin.

It is the distinguishing mark of habitual piety to be grateful for the most common and ordinary blessings.
Buckminster.

Syn. -- Customary; accustomed; usual; common; wonted; ordinary; regular; familiar.

-- Ha*bit"u*al*ly, adv. -- Ha*bit"u*al*ness, n.