HANDILY
handily, hands down
(adverb) with no difficulty; “she beat him handily”
handily, conveniently
(adverb) in a convenient manner; “the switch was conveniently located”
Source: WordNet® 3.1
Etymology
Adverb
handily (comparative more handily, superlative most handily)
(mostly, US) In a handy manner; skillfully; conveniently
Source: Wiktionary
Hand"i*ly, adv. Etym: [See Handy.]
Definition: In a handy manner; skillfully; conveniently.
HANDY
Hand"y, a. [Compar. Handier; superl. Handiest.] Etym: [OE. hendi, AS.
hendig (in comp.), fr. hand hand; akin to D. handig, Goth. handugs
clever, wise.]
1. Performed by the hand. [Obs.]
To draw up and come to handy strokes. Milton.
2. Skillful in using the hand; dexterous; ready; adroit. "Each is
handy in his way." Dryden.
3. Ready to the hand; near; also, suited to the use of the hand;
convenient; valuable for reference or use; as, my tools are handy; a
handy volume.
4. (Naut.)
Definition: Easily managed; obedient to the helm; -- said of a vessel.
Source: Webster’s Unabridged Dictionary 1913 Edition