Synonyms for In:

adj.

fashionable (adjective)
chic, up-to-the-minute, trig, smart, stylish, all the rage, trendy, popular, mod, swank, modish, swanky, current, modern, usual, posh, contemporary, dashing.
modish (adjective)
all the rage, with-it.

adv.

within (adverb)
within.

n.

booking, book on, Booking office, aboard, bus, board, aisle seat, bookable, ARR, afloat. by, after, around, Into, along, ahead, under, Against, across, beyond, Toward, before, near, apart, about. surrounding, meanwhile, enclosed, while, in the round, During, hedged in with/by, landlocked. advancing, up, popular, fashionable, favorite, forward, stylish, from all sides, oncoming, direct, bound for something. go up, detest, dark, acting, hate, be out to destroy, dramatic, rep, opposite, method acting, on, wish to harm. posh, direct elections, all the rage, classy, a la mode, elect, beauty contest, disenfranchise, electioneering, trendy, swish, style, with-it, chad, chic, modish, campaign, advance poll, swank, dashing, usual, sharp, mod, up-to-the-minute, snappy, election, by election, trig, Tony, swanky, smart. modern, futuristic, advanced, modernistic, ahead of your/its etc. time, space age, state of the art, contemporary. subsequent, in time, ensuing, subsequently, in the course of time, succeeding, Since, following. ar, ARIZ, az, ak, ark, ala, BC, alas, ca, al. sometime, This, here, Whenever, Until, then, all, last, when. fluency, code switching, encode, false beginner, communicative competence, fluent, bilingual, fidelity, anglophone. conversational, economical, declamatory, articulate, crisp, circuitous, discursive, clean, diffuse, chatty. at, over, for the duration, in the midst of something, through, throughout. clothed, clad, attired, cross dressing, Corseted, dapper, debonair, bespectacled. mode, way, system, basis, procedure, means, technique, method, tactic, manner. indoors, interior, inner. seasonal, zone, temperate, barometer, spell, climatic, weather forecast, meteorology, weather, climate. brash, cold, bleached, color-coded, colored, bright, ablaze, bold, chintzy. chequered, candy-striped, crisscross, broken, chronological, checkerboard, even, checkered, dappled, checked. cm, centimetre, bore, cubit, length, foot, ft, centimeter. drip, flow, current, maelstrom, flush, ebb, course, down, eddy. on the market, on the open market, hit the town/street, etc., upcoming, for sale, out, on offer. tennis (noun)
ball boy, ball girl, advantage, the Davis Cup, break point, break, ace, alley, clay.
within (noun)
within, inside.

Other synonyms:

classy, enclosed, Into, landlocked, chic, mod, centimeter, inner, Tony, cubit, trig, surrounding, cm, indoors, method acting, centimetre, popular, During, opposite. acting, trendy, through, dramatic, eddy, maelstrom, throughout, with-it, posh, dark, upcoming. rep, ft. interior, within, snappy, go up, dashing, ebb, modish. on, length. smart, current. over, flush, around, drip. about. foot. flow. course. sharp. down. position
at.
within
inside.

Usage examples for in

  1. Let me tell them You are on the way, that You are here, that You are in their very midst. – A Second Coming by Richard Marsh
  2. Now go in to my mother." – The Story Of Kennett by Bayard Taylor
  3. Love in a loft! – San-Cravate; or, The Messengers; Little Streams by Charles Paul de Kock