Synonyms for Tell:

n.

take effect, impact, interact, set forth, shape, affect, get, come into play, make a difference. spill the beans, offload, words, let (it) slip, lay something bare, rehearse, leak. transmit, knowledge, require, carry, get across, tax with, boss around, push around, pass, order around. unveil, quip, make fun of, jest, kid, blab, pull someone's leg, joke, spill, uncover, crack a joke. enlighten, educate, teach. charge, bid, over. same. tally, numerate, number, count, reckon. give hell to, berate, bawl out, attack, give it to. •person (noun)
William Tell.
•tell (noun)
recount, spin, separate, William Tell, distinguish, secernate, order, tell apart, evidence, narrate, state, differentiate, severalize, assure, recite, secern, say, enjoin, severalise.

v.

•calculate (verb)
tally, numerate, number, compute, reckon.
•carry weight (verb)
count, take effect.
•communicate (verb)
require, apprise, inform, divulge, lay open, enjoin, acquaint, fill in, impart, leak, bid, report, represent, state, advise, mention, explain, confess, recite, say, leave word, disclose, instruct, reel off, open up, order, utter, command, speak, clue in, direct.
•interpret (verb)
explain.
•narrate, describe (verb)
relate, portray, set forth, rehearse, chronicle, recount.
•report (verb)
summarize, narrate, Journalize, log, recount, table, account, retell, describe, report, state, record, chronicle, portray.
•understand, discern (verb)
know, differentiate, perceive, find out, determine, distinguish.

Other synonyms:

require, advise, enlighten, blurt out, blab, relay, leave word, acquaint, detect, verbalize, push around, order around, offload. reckon, give away, tax with, educate, jest, vocalize, apprise, point out, divulge, perceive, quip, instruct, count, impart. relate, leak, numerate, vent, unveil, notice, joke. disclose, bid, spill, number. command, betray, uncover, rehearse. voice, kid, expose, direct, transmit. convey. talk. know. carry. charge, pass. get. •advise
clue in.
•blab
let out.
•declare
come out with.
•reveal
spill, give away, unveil.
•verbalize
verbalize.

Usage examples for tell

1. " Of course I have no right to tell you that," he said. – Antony Gray,--Gardener by Leslie Moore

2. Well, I will tell you what it is. – Roughing it in the Bush by Susanna Moodie

3. " I cannot tell you, sir," I answered. – The Betrayal by E. Phillips Oppenheim