gratuitous

pos>a. [ L. gratuitus, from gratus pleasing. See Grate, a., Gratis. ] 1. Given without an equivalent or recompense; conferred without valuable consideration; granted without pay, or without claim or merit; not required by justice. [ 1913 Webster ]

We mistake the gratuitous blessings of Heaven for the fruits of our own industry. L'Estrange. [ 1913 Webster ]

2. Not called for by the circumstances; without reason, cause, or proof; adopted or asserted without any good ground; as, a gratuitous assumption. [ 1913 Webster ]

Acts of gratuitous self-humiliation. De Quincye.

-- Gra*tu"i*tous*ly, adv. -- Gra*tu"i*tous*ness, n. [ 1913 Webster ]