Carefully or skilfully devised.

Firmly or skilfully laid (in various senses).

Accurately calculated; (later usually) fully considered, well planned. Occasionally also: fully fitted or suitable (cf. calculated, adj. 2).

Of a plan, scheme, etc.: formulated carefully or meticulously. Cf. best-laid, adj. 2.

Characterized by good design; skilfully conceived, outlined, or constructed.

Of a plan, scheme, etc.: formulated most carefully or meticulously. Now chiefly in best-laid plans with allusion to quot. 1786.

With qualification, as ill-contrived.

Carefully arranged or designed; that is a result of good planning.

Carefully or skilfully plotted; well-planned.

(with hyphen) attributive passing into adj. Having the attributes of a set-piece; formally or elaborately planned or composed; set (cf. set, adj.1).