Synonyms for Being on same wavelength:

• n.

  •empathy (noun)
  • recognition,
  • concord,
  • compassion,
  • hitting it off,
  • comprehension,
  • appreciation,
  • insight,
  • affinity,
  • communion,
  • pity,
  • warmth,
  • sympathy.

• v.

  •click (verb)
  • hit it off,
  • be on same wavelength,
  • make a hit,
  • prove out,
  • take to each other,
  • go,
  • become clear,
  • be compatible.
  •correlate (verb)
  • coordinate,
  • parallel,
  • tie in,
  • associate,
  • correspond,
  • interact,
  • tune in on,
  • connect,
  • have good vibes,
  • relate mutually.
  •hit it off (verb)
  • cotton to,
  • see eye to eye,
  • get along well,
  • make friends,
  • be on the same wavelength,
  • be of one mind.

• Other synonyms:

  •n.
  • community of interests,
  • empathy,
  • in sight,
  • rapport,
  • responsiveness,
  • soul,
  • insights,
  • community of interest,
  • being there for someone,
  • cottoning to,
  • good vibrations,
  • picking up on.
  •Other relevant words:
  • accord,
  • acknowledgement,
  • acknowledgment,
  • adam,
  • add up,
  • admiration,
  • advance,
  • affectionateness,
  • affiliate,
  • age,
  • agree,
  • agreement,
  • align,
  • analog,
  • analogue,
  • associate degree,
  • assort,
  • be on,
  • become,
  • belong,
  • bestride,
  • blend,
  • blend in,
  • board,
  • brainstorm,
  • brainwave,
  • break,
  • break away,
  • break down,
  • break off,
  • buy the farm,
  • capital of new hampshire,
  • catch,
  • chatter,
  • check,
  • check into,
  • check out,
  • check over,
  • check up on,
  • chemical attraction,
  • chink,
  • chip,
  • chip off,
  • choke,
  • clack,
  • click,
  • climb on,
  • clink,
  • cluck,
  • co-ordinate,
  • colligate,
  • collimate,
  • come after,
  • come away,
  • come home,
  • come off,
  • come through,
  • commiseration,
  • community,
  • companion,
  • compassionate,
  • compassionateness,
  • compeer,
  • comrade,
  • concordance,
  • concur,
  • condole with,
  • conk,
  • conk out,
  • consociate,
  • consort,
  • couple,
  • credit,
  • croak,
  • dawn,
  • decease,
  • depart,
  • detach,
  • detent,
  • die,
  • discernment,
  • dog,
  • duplicate,
  • ecstasy,
  • endure,
  • equal,
  • equalise,
  • equalize,
  • equate,
  • exit,
  • expire,
  • extend,
  • fail,
  • fall into place,
  • fall over,
  • fancy,
  • feel for,
  • fellow,
  • fit,
  • fit in,
  • flick,
  • fling,
  • follow,
  • fondness,
  • friction match,
  • function,
  • get,
  • get across,
  • get along,
  • get along with,
  • get going,
  • get in touch,
  • get on,
  • get on with,
  • get through,
  • gibe,
  • give out,
  • give way,
  • go away,
  • go bad,
  • go for,
  • go game,
  • go off,
  • go over,
  • grasp,
  • harmonise,
  • harmonize,
  • harmony,
  • heat,
  • hold,
  • hold out,
  • hold up,
  • holy communion,
  • hop on,
  • identification,
  • inclusion,
  • individual,
  • jibe,
  • join,
  • jump on,
  • kick the bucket,
  • kinship,
  • last,
  • latitude,
  • lead,
  • lexington,
  • line of latitude,
  • link,
  • link up,
  • live,
  • live on,
  • locomote,
  • look into,
  • lovingness,
  • lucifer,
  • make sense,
  • manduction,
  • match,
  • mate,
  • mates,
  • maturate,
  • mature,
  • mortal,
  • mount,
  • mount up,
  • mouse click,
  • move,
  • offer,
  • operate,
  • oppose,
  • ordinate,
  • organise,
  • organize,
  • pair,
  • pan,
  • pan off,
  • pan out,
  • parallel of latitude,
  • pass,
  • pass away,
  • passion,
  • pathos,
  • pawl,
  • peer,
  • penetrate,
  • perceptiveness,
  • perceptivity,
  • perish,
  • person,
  • phylogenetic relation,
  • pit,
  • play off,
  • plug in,
  • plump,
  • pop off,
  • proceed,
  • progress,
  • psyche,
  • reactivity,
  • realisation,
  • realization,
  • relate,
  • represent,
  • resonance,
  • review,
  • rifle,
  • rival,
  • run,
  • run low,
  • run short,
  • ruth,
  • shame,
  • sharing,
  • sink in,
  • sixth sense,
  • snap,
  • snuff it,
  • somebody,
  • someone,
  • soulfulness,
  • sound,
  • spell,
  • stand for,
  • start,
  • succeed,
  • suction stop,
  • survey,
  • survive,
  • sympathize with,
  • take to,
  • tally,
  • taste,
  • tick,
  • tie,
  • touch,
  • touch base,
  • tour,
  • travel,
  • turn,
  • twin,
  • understanding,
  • unite,
  • warmheartedness,
  • warmness,
  • whirl,
  • win,
  • work,
  • disco biscuit,
  • cristal,
  • hug drug,
  • fellow feeling,
  • senesce,
  • come along,
  • shape up,
  • cash in one's chips,
  • give-up the ghost,
  • bring home the bacon,
  • deliver the goods,
  • fall in with,
  • plug into,
  • crack,
  • penetration,
  • come on,
  • feel a rapport,
  • go off well,
  • meet with approval,
  • drop dead.

Antonyms for Being on same wavelength:

• n.

  • empathy
    discord, hatred, indifference, apathy, disdain, disunity, unfeelingness, disagreement, mercilessness, misunderstanding.

• v.

  • correlate
    disassociate, disconnect, differ, separate, imbalance.