ACROSS
1Carry out, execute, conduct
2Stay away from something
6Achieve
7Sufficient
9Available, at hand
10Agree, confess, admit
13Go with
14Eliminate, eradicate, remove, cancel
16Plentiful, found in large quantity
17Gather, pile up, amass
18Worsen
19Regulation, adaptation
DOWN
1Support, promote
3Look up to, respect, honour
4Attain, obtain, gain
5Succeed
8Leave, desert, evacuate
9Hold
11Soak up, grasp
12Familiar
13Gather, collect
14Hasten, hurry, quicken
15Correct