THESAURUS
carry out
abide by, adhere to, administer, administrate, apply, be responsible for, bring about, bring off, bring to effect, bring to pass, carry into effect, carry into execution, carry off, carry on, carry through, come through, come through with, complete, conduct, deal with, direct, discharge, do, drive, effect, effectuate, enforce, execute, extend out, fill out, finalize, fulfill, get through, go, go out, go through, govern, handle, honor, implement, make, make go, make out, manage, maneuver, manipulate, observe, operate, outdistance, outlie, outrange, outstretch, perform, perform on, pilot, play, practice, promulgate, prosecute, pull off, put across, put in force, put in practice, put into effect, put into execution, put into practice, put over, put through, put to use, range out, reach out, render, run, seal, see to, sign, steer, stretch out, take care of, transact, translate into action, work, work out
ROGET THESAURUS
carry out
Conduct
VB
transact, execute, despatch, dispatch, proceed with, discharge, carry on, carry through,
carry out, carry into effect, put into effect, work out, go through, get through, enact, put into practice, do, officiate, bear oneself, behave oneself, comport oneself, demean oneself, carry oneself, conduct oneself, acquit oneself, run a race, lead a life, play a game, take a course, adopt a course, steer one's course, shape one's course, play one's paint, play one's cards, shift for oneself, paddle one's own canoe, bail one's own boat, conduct, manage, supervise, participate, deal with, have to do with, treat, handle a case, take steps, take measures.
Completion
VB
effect, effectuate, accomplish, achieve, compass, consummate, hammer out, bring to maturity, bring to perfection, perfect, complete, elaborate, do, execute, make, go through, get through, work out, enact, bring about, bring to bear, bring to pass, bring through, bring to a head, despatch, dispatch, knock off, finish off, polish off, make short work of, dispose of, set at rest, perform, discharge, fulfill, realize, put in practice, put in force,
carry out, carry into effect, carry into execution, make good, be as good as one's word, do thoroughly, not do by halves, go the whole hog, drive home, be in at the death, carry through, play out, exhaust, fill the bill, finish, bring to a close, wind up, stamp, clinch, seal, set the seal on, put the seal, give the final touch, to, put the last, put the finishing hand to, put the finishing touches on, crown, crown all, cap, ripen, culminate, come to a head, come to a crisis, come to its end, die a natural death, die of old age, run its course, run one's race, touch the goal, reach the goal, attain the goal, reach, get in the harvest.
Observance
VB
observe, comply with, respect, acknowledge, abide by, cling to, adhere to, be faithful to, act up to, meet, fulfill,
carry out, carry into execution, execute, perform, keep, satisfy, discharge, do one's office, perform an obligation, fulfill an obligation, discharge an obligation, acquit oneself of an obligation, make good, make good one's word, make good one's promise, keep one's word, keep one's promise, redeem one's pledge, keep faith with, stand to one's engagement.