Similar words: come upon, thereupon, look upon, frown upon, enter upon, once upon a time, make up one's mind, stupor. Meaning: [əˈpɒn] 
prep.1. up and on; upward so as to get or be on: He climbed upon his horse and rode off. 2. in an elevated position on: There is a television antenna upon every house in the neighborhood. 3. in or into complete or approximate contact with, as an attacker or an important or pressing occasion: The enemy was upon us and our soldiers had little time to escape. The Christmas holiday will soon be upon us and we have hardly begun to buy gifts. The time to take action is upon us. 4. immediately or very soon after: She went into mourning upon her husband's death. 5. on the occasion of: She was joyful upon seeing her child take his first steps. 6. on (in any of various senses, used as an equivalent of on with no added idea of ascent or elevation, and preferred in certain cases only for euphonic or metrical reasons): He swore upon his honor as a gentleman..
prep.1. up and on; upward so as to get or be on: He climbed upon his horse and rode off. 2. in an elevated position on: There is a television antenna upon every house in the neighborhood. 3. in or into complete or approximate contact with, as an attacker or an important or pressing occasion: The enemy was upon us and our soldiers had little time to escape. The Christmas holiday will soon be upon us and we have hardly begun to buy gifts. The time to take action is upon us. 4. immediately or very soon after: She went into mourning upon her husband's death. 5. on the occasion of: She was joyful upon seeing her child take his first steps. 6. on (in any of various senses, used as an equivalent of on with no added idea of ascent or elevation, and preferred in certain cases only for euphonic or metrical reasons): He swore upon his honor as a gentleman.. 
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(151) I have reflected upon his suggestion.
(152) It is a bill payable upon sight.
(153) The youth patterned his life upon Benjamin Franklin.
(154) The hostel is heavily reliant upon charity.
(155) Thrill-seekers descended upon the scene of the crime.
(156) The report has been based upon inaccurate information.
(157) A heavy silence fell upon the room.
(158) No basis for negotiations has been agreed upon.
(159) While he sang, I played upon the flute.
(160) In 1991, he entered upon a turbulent political career.
(161) The jury was called upon to reconsider its verdict.
(162) The police came upon the hideout purely by chance.
(163) Please reflect upon what I have told you.
(164) My mother's grip upon the household never faltered.
(165) She gazed upon him with admiration.
(166) She exclaimed in delight upon hearing the news.
(167) We burst upon the enemy ships.
(168) They advanced upon me in a threatening manner.
(169) We are not to be imposed upon.
(170) They rained thanks upon their teacher.
(171) He set the tray upon the table.
(172) I won't trespass upon your time any longer.
(173) You must now fling yourself upon his mercy.
(174) We look upon you as belonging to the family.
(175) Row upon row of women surged forwards.
(176) Your conduct will seriously reflect upon your future.
(177) They showered honors upon the hero.
(178) Rachel gently but persistently imposed her will upon Douglas.
(179) Her brother decided to quarter himself upon me.
(180) The contract will come into effect upon signature.
More similar words: come upon, thereupon, look upon, frown upon, enter upon, once upon a time, make up one's mind, stupor, made up of, be made up of, pony, pond, weapon, ponder, keep on, sponsor, postpone, opponent, respond, component, sponge off, response, postponed, proponent, ponderous, correspond, respondent, despondent, responsive, spontaneous.