most comprehensive synonyms: http://thesaurus.com/browse/search
Example:
Main Entry: search
Part of Speech: noun
Definition: seeking to find something
Synonyms: chase, examination, exploration, fishing expedition, frisking, going-over, hunt, inquest, inquiry, inspection, investigation, legwork, perquisition, pursual, pursuance, pursuing, pursuit, quest, research, rummage, scrutiny, shakedown, wild-goose chase, witch hunt
Antonyms: finding
Main Entry: search
Part of Speech: verb
Definition: seek to find something
Synonyms: beat, beat about, cast about, chase after, check, comb, examine, explore, ferret, forage, frisk, go in quest of, go over with a fine-tooth comb, go through, grope, grub, gun for, hunt, hunt for, inquire, inspect, investigate, leave no stone unturned, look, look for, look high and low, look over, poke into, probe, prospect, pry, quest, rake, ransack, rifle through, root, rummage, run down, scan, scour, scout, scrutinize, seek, shake down, sift, smell around, study, track down, turn inside out, turn upside down
Antonyms: find
Main Entry: analysis
Part of Speech: noun
Definition: examination and determination
Synonyms: assay, breakdown, dissection, dissolution, division, inquiry, investigation, partition, reasoning, resolution, scrutiny, search, separation, study, subdivision, test
Notes: analysis is breaking down or taking apart; synthesis is bringing together
Main Entry: bust
Part of Speech: noun
Definition: arrest for illegal action
Synonyms: apprehension, arrest, capture, cop, detention, nab, pickup, pinch, raid, search , seizure
Antonyms: exoneration
Main Entry: bust
Part of Speech: verb
Definition: arrest for illegal action
Synonyms: apprehend, catch, collar, cop, detain, nab, pick up, pinch, pull in, raid, run in, search
Antonyms: exonerate, let go
Main Entry: delve
Part of Speech: verb
Definition: dig into task, action
Synonyms: burrow, dig, dredge, examine, excavate, explore, ferret out, go into, gouge out, inquire, investigate, jump into, leave no stone unturned, look into, probe, prospect, ransack, really get into, research, rummage, scoop out, search , seek, shovel, sift, spade, trowel, turn inside out, unearth
Main Entry: demand
Part of Speech: noun
Definition: question, request
Synonyms: appeal, application, arrogation, bid, bidding, call, call for, charge, claim, clamor, command, counterclaim, entreatment, entreaty, exaction, impetration, imploration, importunity, imposition, inquiry, insistence, interest, interrogation, lien, necessity, need, occasion, order, petition, plea, prayer, pursuit, requirement, requisition, rush, sale, search , solicitation, stipulation, suit, supplication, trade, ultimatum, use, vogue, want
Antonyms: grant, offer, reply
Main Entry: dig
Part of Speech: verb
Definition: delve into; hollow out
Synonyms: bore, break up, bulldoze, burrow, cat, channel, clean, concave, deepen, depress, dig down, discover, dredge, drill, drive, enter, excavate, exhume, fork out, go into, gouge, grub, harvest, hoe, investigate, mine, penetrate, pierce, pit, probe, produce, quarry, root, root out, rout, sap, scoop, scoop out, search , shovel, sift, spade, till, tunnel, turn over, uncover, undermine, unearth
Antonyms: fill
Main Entry: dig
Part of Speech: verb
Definition: investigate; discover
Synonyms: bring to light, come across, come up with, delve, dig down, expose, extricate, find, go into, inquire, look into, probe, prospect, research, retrieve, root, search , search high and low, shake down, sift, turn inside out, turn upside down, uncover, unearth
Main Entry: dragnet
Part of Speech: noun
Definition: manhunt
Synonyms: all points bulletin, chase, pursuit, search
http://www.synonym.com/synonyms/search/ - not as good, very limited response.
Example:
Synonyms for search
Synonyms (Grouped by Similarity of Meaning) of verb search
Sense 1:
search, seek, look for
Sense 2:
search, look
examine, see
Sense 3:
research, search, explore
investigate, look into
Sense 4:
search
examine, see
http://www.synonymlab.com/ - synonym search using google.