As described in Merriam Webster Dictionary

Pronunciation: 'sAf
Function: adjective
Inflected Form(s): saf·er; saf·est Etymology: Middle English sauf, from Old French, from Latin salvus safe, healthy; akin to Latin solidus solid, Greek holos whole, safe, Sanskrit sarva entire
Date: 14th century

1 : free from harm or risk : UNHURT
2 a : secure from threat of danger, harm, or loss
2 b : successful at getting to a base in baseball without being put out
3 : affording safety or security from danger, risk, or difficulty
4 obsolete, of mental or moral faculties : HEALTHY, SOUND
5 a : not threatening danger : HARMLESS
5 b : unlikely to produce controversy or contradiction
6 a : not likely to take risks : CAUTIOUS
6 b : TRUSTWORTHY, RELIABLE

- safe or safe·ly adverb
- safe·ness noun

Sane

As described in Merriam Webster Dictionary

Pronunciation: 'sAn
Function: adjective
Inflected Form(s): san·er; san·est
Etymology: Latin sanus healthy, sane
Date: 1628

1 : proceeding from a sound mind : RATIONAL
2 : mentally sound; especially : able to anticipate and appraise the effect of one's actions
3 : healthy in body

synonym see WISE
- sane·ly adverb
- sane·ness /'sAn-n&s/ noun

Consensual

As described in Merriam Webster Dictionary

Pronunciation: k&n-'sen(t)-sh(&-)w&l, -sh&l
Function: adjective
Etymology: Latin consensus + English -al
Date: 1754

1 a : existing or made by mutual consent without an act of writing <a consensual contract>
1 b : involving or based on mutual CONSENT <consensual acts>
2 : relating to or being the constrictive pupillary response of an eye that is covered when the other eye is exposed to light

- con·sen·su·al·ly adverb

Consent


As described in Merriam Webster Dictionary

Pronunciation: k&n-'sent
unction: intransitive verb
Etymology: Middle English, from Latin consentire, from com- + sentire to feel -- more at SENSE
Date: 13th century

1 : to give assent or approval : AGREE
2 archaic : to be in concord in opinion or sentiment
synonym see ASSENT

- con·sent·er noun
- con·sent·ing·ly /-'sen-ti[ng]-lE/ adverb