1. Heedful; intent; observant; regarding with care or attention.
attentive is applied to the senses of hearing and seeing, as, an attentive ear or eye; to the application of the mind, as in contemplation; or to the application of the mind, in every possible sense, as when a person is attentive to the words, and to the manner and matter, of a speaker at the same time.
2. Heedful of the comfort of others; courteous.
Synonym: Heedful, intent, observant, mindful, regardful, circumspect, watchful.
Origin: cf. F. Attentif.