1) Aptly 2) Commonly 3) Freely 4) Gladly 5) Keenly 6) Lief 7) Naturally 8) Pronto 9) Willingly 1) How available groupies are 2) In a punctual manner 3) One way to be available 4) Promptly 5) Pronto 6) Without arm-twisting 7) Without delay 8) Without difficulty 9) Without hesitation 10) Without much difficulty 
• (adv.) In a ready manner; quickly; promptly. • (adv.) Without delay or objection; without reluctance; willingly; cheerfully.
Read'i·ly (rĕd'ĭ*lȳ) adverb 1. In a ready manner; quickly; promptly. Chaucer. 2. Without delay or objection; without reluctance; willingly; cheerfully. « How readily we wish time spent revoked!» Cowper. 
[adv] - without much difficulty
adverb without much difficulty; `these snakes can be identified readily`