Synonym: behave, do, law, perform, pretend. Similar words: fact, pact, exact, actor, react, tract, enact, act for. Meaning: [ækt] 
n. 1. a legal document codifying the result of deliberations of a committee or society or legislative body 2. something that people do or cause to happen 3. a subdivision of a play or opera or ballet 4. a short theatrical performance that is part of a longer program 5. a manifestation of insincerity. v. 1. perform an action, or work out or perform (an action) 2. behave in a certain manner; show a certain behavior; conduct or comport oneself 3. play a role or part 4. discharge one's duties 5. pretend to have certain qualities or state of mind 6. be suitable for theatrical performance 7. have an effect or outcome; often the one desired or expected 8. be engaged in an activity, often for no particular purpose other than pleasure 9. behave unnaturally or affectedly 10. perform on a stage or theater.
n. 1. a legal document codifying the result of deliberations of a committee or society or legislative body 2. something that people do or cause to happen 3. a subdivision of a play or opera or ballet 4. a short theatrical performance that is part of a longer program 5. a manifestation of insincerity. v. 1. perform an action, or work out or perform (an action) 2. behave in a certain manner; show a certain behavior; conduct or comport oneself 3. play a role or part 4. discharge one's duties 5. pretend to have certain qualities or state of mind 6. be suitable for theatrical performance 7. have an effect or outcome; often the one desired or expected 8. be engaged in an activity, often for no particular purpose other than pleasure 9. behave unnaturally or affectedly 10. perform on a stage or theater. 
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151) People threw flowers into the river between the two countries as a symbolic act of brotherhood.
152) Students in fifty schools are to act as guinea pigs for these new teaching methods.
153) All water used by the fire - brigade for fire extinction purpose is supplied free by an act of Congress.
154) The personnel manager has been casting about for somebody who can act as receptionist.
155) Their failure to act is indicative of their lack of interest.
156) High marginal tax rates may act as a disincentive to working longer hours.
157) When he tested an early vaccine on himself, some described the act as foolhardy.
158) Her concern has now found expression in the new environmental protection act.
159) How can one ever separate out the act from the attitudes that surround it?
160) To write and publish this poem was a daring, transgressive act.
161) A newly - devised microcomputer can act as a guide to a blind person.
162) The UN must perform a delicate balancing act between the different sides in the conflict.
162) Sentencedict.com try its best to collect and create good sentences.
163) First it was politicians, now a novelist has decided to get in on the act.
164) If you want a quality, act as if you already have it. William James 