placid

[adj] - without untoward incident or disruption 2. [adj] - free from disturbance
Found on http://www.webdictionary.co.uk/definition.php?query=placid

Placid

• (a.) Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle.
Found on http://thinkexist.com/dictionary/meaning/placid/

placid

quiet adjective (of a body of water) free from disturbance by heavy waves; `a ribbon of sand between the angry sea and the placid bay`; `the quiet waters of a lagoon`; `a lake of tranquil blue water reflecting a tranquil blue sky`; `a smooth channel crossi...
Found on https://www.encyclo.co.uk/local/20974

Placid

Plac'id adjective [ Latin placidus , originally, pleasing, mild, from placere to please: confer French placide . See Please .] Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle. 'That placid aspect and meek regard.' Milton. ...
Found on http://www.encyclo.co.uk/webster/P/98

placid

free from disturbance by heavy waves
Found on https://www.vocabulary.com/lists/151466

placid

placid Pleasantly calm or peaceful; unruffled; tranquil; serenely quiet or undisturbed.
Found on http://www.wordinfo.info/words/index/info/view_unit/1682/2
No exact match found