DESIGNEDLY
intentionally, deliberately, designedly, on purpose, purposely, advisedly, by choice, by design
(adverb) with intention; in an intentional manner; “he used that word intentionally”; “I did this by choice”
Source: WordNet® 3.1
Etymology
Adverb
designedly (comparative more designedly, superlative most designedly)
by design; intentionally; according to plan.
Source: Wiktionary
De*sign"ed*ly, adv.
Definition: By design; purposely; intentionally; -- opposed to
accidentally, ignorantly, or inadvertently.
Source: Webster’s Unabridged Dictionary 1913 Edition