revise - make revisions in; "revise a thesis"

alleviate, relieve, palliate, assuage - provide physical relief, as from pain; "This pill will relieve your headaches"

aid, help - improve the condition of; "These pills will help the patient"

revitalize, regenerate - restore strength; "This food revitalized the patient"

alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"

enrich - make better or improve in quality; "The experience enriched her understanding"; "enriched foods"

build up, develop - change the use of and make available or usable; "develop land"; "The country developed its natural resources"; "The remote areas of the country were gradually built up"

ameliorate, improve, meliorate, better - get better; "The weather improved toward evening"

turn around - cause to get better; "The new stategy turned around sales"; "The tutor turned around my son's performance in math"

help - improve; change for the better; "New slipcovers will help the old living room furniture"

upgrade - to improve, especially something that was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"

condition - put into a better state; "he conditions old cars"

emend - make improvements or corrections to; "the text was emended in the second edition"

iron out, put right, straighten out - settle or put right; "we need to iron out our disagreements"

enhance - make better or more attractive; "This sauce will enhance the flavor of the meat"

fix, furbish up, mend, repair, bushel, doctor, touch on, restore - restore by replacing a part or putting together what is torn or broken; "She repaired her TV set"; "Repair my shoes please"

reform - make changes for improvement in order to remove abuse and injustices; "reform a political system"

reform - improve by alteration or correction of errors or defects and put into a better condition; "reform the health system in this country"

beautify, prettify, embellish - make more beautiful

build - improve the cleansing action of; "build detergents"

perfect, hone - make perfect or complete; "perfect your French in Paris!"

fine-tune, refine, polish, down - improve or perfect by pruning or polishing; "refine one's style of writing"

distill, make pure, purify, sublimate - remove impurities from, increase the concentration of, and separate through the process of distillation; "purify the water"

fructify - make productive or fruitful; "The earth that he fructified"

lift, raise - invigorate or heighten; "lift my spirits"; "lift his ego"

advance - develop further; "We are advancing technology every day"

upgrade - give better travel conditions to; "The airline upgraded me when I arrived late and Coach Class was full"

educate - give an education to; "We must educate our youngsters better"

correct, right, rectify - make right or correct; "Correct the mistakes"; "rectify the calculation"