Just to give you an idea of what I take influential to mean:
in‧flu‧en‧tial /ˌɪnfluˈɛnʃəl/ Pronunciation Key - Show Spelled Pronunciation[in-floo-en-shuhl] Pronunciation Key - Show IPA Pronunciation
–adjective
1. having or exerting influence, esp. great influence: three influential educators.
–noun
2. a person who exerts or can exert strong influence: according to influentials of the fashion industry.
[Origin: 1560–70; < ML influenti(a) stellar emanation (see influence) + -al1]
—Related forms
in‧flu‧en‧tial‧ly, adverb
—Synonyms 1. consequential, forceful, important.
in‧flu‧ence /ˈɪnfluəns/ Pronunciation Key - Show Spelled Pronunciation[in-floo-uhns] Pronunciation Key - Show IPA Pronunciation noun, verb, -enced, -enc‧ing.
–noun
1. the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
2. the action or process of producing effects on the actions, behavior, opinions, etc., of another or others: Her mother's influence made her stay.
3. a person or thing that exerts influence: He is an influence for the good.
4. Astrology.
a. the radiation of an ethereal fluid from the stars, regarded as affecting human actions and destinies.
b. the exercise of occult power by the stars, or such power as exercised.
5. the exercise of similar power by human beings.
6. Obsolete. influx.
–verb (used with object)
7. to exercise influence on; affect; sway: to influence a person.
8. to move or impel (a person) to some action: Outside factors influenced her to resign.
—Idiom
JM
in‧flu‧en‧tial /ˌɪnfluˈɛnʃəl/ Pronunciation Key - Show Spelled Pronunciation[in-floo-en-shuhl] Pronunciation Key - Show IPA Pronunciation
–adjective
1. having or exerting influence, esp. great influence: three influential educators.
–noun
2. a person who exerts or can exert strong influence: according to influentials of the fashion industry.
[Origin: 1560–70; < ML influenti(a) stellar emanation (see influence) + -al1]
—Related forms
in‧flu‧en‧tial‧ly, adverb
—Synonyms 1. consequential, forceful, important.
in‧flu‧ence /ˈɪnfluəns/ Pronunciation Key - Show Spelled Pronunciation[in-floo-uhns] Pronunciation Key - Show IPA Pronunciation noun, verb, -enced, -enc‧ing.
–noun
1. the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
2. the action or process of producing effects on the actions, behavior, opinions, etc., of another or others: Her mother's influence made her stay.
3. a person or thing that exerts influence: He is an influence for the good.
4. Astrology.
a. the radiation of an ethereal fluid from the stars, regarded as affecting human actions and destinies.
b. the exercise of occult power by the stars, or such power as exercised.
5. the exercise of similar power by human beings.
6. Obsolete. influx.
–verb (used with object)
7. to exercise influence on; affect; sway: to influence a person.
8. to move or impel (a person) to some action: Outside factors influenced her to resign.
—Idiom
JM
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