Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class IV. Words Relating to the Intellectual FacultiesDivision (I) Formation of Ideas
Section VI. Extension of Thought
2. To the Future
508. Inexpectation.
SURPRISE, sudden burst, thunderclap, blow, shock; bolt out of the blue; surprisement [rare], astoundment [rare], astonishment, mazement [rare], amazement; wonder [See Wonder]; eye opener.
BE UNEXPECTED &c. adj.; come unawares &c. adv.; turn up, pop [colloq.], drop from the clouds; come -, burst -, flash -, bounce -, steal -, creep- upon one; come -, burst- like a -thunderclap, -thunderbolt; take -, catch- -by surprise, – unawares; catch napping, catch off one’s guard; yach [S. Africa].
SURPRISE, startle, take aback [colloq.], electrify, stun, stagger, take away one’s breath, throw off one’s guard; pounce upon, spring, spring upon, spring a mine upon; stound [archaic], astound; astonish (strike with wonder) [See Wonder].
UNEXPECTED, unanticipated, unlooked for, unforeseen, unhoped for; dropped from the clouds; beyond -, contrary to -, against- expectation; out of one’s reckoning; unheard of [See exceptional]; startling; sudden (instantaneous) [See Instantaneity].