adv. [f. prec. + -LY2.] In an extensive manner.
1. Widely, largely; to a great extent; on a large scale; with a wide range.
17306. in Bailey (folio).
1741. Watts, Improv. Mind, I. xvi. § 3. 235. Tis impossible for any to pass a right Judgment concerning them without surveying them extensively.
1804. L. Murray, Eng. Grammar, Advt., He may indulge a hope, that the book will be still more extensively approved and circulated.
184171. T. R. Jones, Anim. Kingd. (ed. 4), 298. Numerous arterial canals ramify extensively in the surrounding structures.
1879. Lubbock, Sci. Lect., v. 158. A period when bronze was extensively used for implements.
2. In extent or scope; with respect to range of application. Often opposed to intensively. † Extensively with: so as to be co-extensive with.
1645. E. Calamy, Indictm. agst. Eng., 3. Christ here sets out the greatnesse of the ruine and that both Intensively, and Extensively.
a. 1661. Fuller, Worthies, Westminster (1811), II. 103. Let it [Westminster] be taken extensively with the Liberty of Lancaster from Temple Bar, and it filleth as much ground [etc.].
1713. Lond. Gaz., No. 5119/2. A Peace so extensively great in all its Circumstances.
1794. Mathias, Purs. Lit. (1798), 380. The most extensively learned book I ever saw.
1836. J. Gilbert, Chr. Atonem., iii. (1852), 64. As truly we say, not as extensively; but in considering the justice of such substitution, the extent is of no moment.
1855. Bain, Senses & Int., II. iii. § 7. 553. Increase of resemblance extensively has the same power as increase of resemblance intensively, in rendering the restoration of the past more certain.
b. In extension (in Logic); with respect to extension. See EXTENSION 8 b.
1837. Sir W. Hamilton, Logic, viii. (1866), I. 146. A notion is extensively great in proportion to the greater number of determinations or attributes it contains under it.
1864. Bowen, Logic, viii. 237. Reasoning Extensively, we say, men are a part or class of responsible agents, and are, therefore, also a part of free agents.
3. With respect to extension (or the quality of occupying space). See EXTENSION 7 b.
1888. G. C. Robertson, in Mind, July, 423. By more complex efforts we distinguish this and that extensively within such body.